物理
運動學、受力分析、電學與方程推導。
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which of the following is true concerning the pannes in salt marshes? a…
A. They are isolated pools of water at low elevations.
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a wave is a pattern of motion that carries energy. when a wave travels …
- Eli transfers energy to the spring toy. - The spring toy is the medium the wave travels through. - The wave carries energy through the spring toy.
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by-catch is a term for that part of the catch _______. a. that is used …
D. that was not actually being fished for
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27. explain the correlation between broadcast media and advertising. be…
Because of the appeal of broadcast media, advertisers were able to reach their audiences more often.
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which of the following is most negatively affected by fishing practices…
a. deep sea corals
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jessie wears sunglasses at the beach to protect her eyes. how do light …
When light waves interact with the lenses of Jessie's sunglasses, some of the waves are **absorbed** and transfer energy to the lenses. This makes the sunglasses feel a bit **warm…
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how has human use of salt marshes changed over time? a. humans have com…
a. Humans have come to value salt marshes and now seek to preserve and restore them.
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summarizing: informational text — instruction — level h also began to b…
C. English is also changed by new and increased uses of familiar words. "Cool" once described only temperature; now it's used to describe mood, music, and people, too.
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echoes are a type of reflection. how could you use the timing and volum…
### Using Timing: 1. Measure the time $t$ (in seconds) between making a sound and hearing the echo. 2. Calculate one-way travel time: $\frac{t}{2}$ 3. Calculate distance to the wa…
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which of the following does not explain the importance of mangrove fore…
c. They increase surface runoff and flooding.
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the u.s. integrated ocean observing system (ioos) is best described as …
d. all of the above
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which direction do the triangles point? doesnt matter north the directi…
The direction the front is moving
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the principle difference between where salt marshes and mangrove forest…
F
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what is the map symbol for a cold front?blue line with trianglesred lin…
Blue line with triangles
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the principle difference between where salt marshes and mangrove forest…
F
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sunlight shines on a road. light waves interact with the pavement, and …
Light waves are **transmitted** when they travel through the air from the Sun to the pavement. When the waves interact with the pavement, some are **absorbed** and transfer energy…
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which of the following best explains the current state of the majority …
B. they are currently overfished
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read this example of absorption. zach lives in an apartment building. h…
When sound waves are absorbed by the rug, energy transfers from the **sound waves to the rug**. So, the amplitude of the sound waves that travel into Zach's room **decreases**.
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what is the speed of cold fronts compared to other fronts? faster slowe…
Faster
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a pebble is dropped into a still pond. ripple waves travel outward thro…
transmission
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- / 5 points details my notes ask your teacher practice another the wor…
(i) mean: $\boldsymbol{5.4054}$ (ii) standard deviation: $\boldsymbol{4.8800}$
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the sun sets over a lake. some of the light waves bounce off the surfac…
reflection
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marine debris mostly originates from oceangoing ships. please select th…
F
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select the correct text in the passage. which sentence in this paragrap…
When the feudal system succeeded on the local level, kings and emperors used the system on a much larger scale to strengthen their monarchies.
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- / 5 points details my notes ask your teacher practice another the wor…
(i) mean: $\boldsymbol{5.4054}$ (ii) standard deviation: $\boldsymbol{4.8800}$
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which environmental problems result from deforestation? check all that …
- diminishing air quality - increased water pollution - erosion of soil - loss of habitats for species - increased rainfall that leads to flooding
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20. how did radio advertising evolve?○ advertisers began losing money o…
C. Consumers moved from talk programs to listening to specific genres of music. The change in consumer interests led to a demand for commercials for each genre. This increased wor…
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which of the following best explains the environmental problems associa…
a. Trawling always destroys sea floor ecologies. b. Trawling gathers fish indiscriminately. Note: Option c is incorrect because trawling is not selective, so "All of the above" (d…
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match each wave interaction with its description. transmission reflecti…
- reflection: A wave bounces off matter - transmission: A wave passes through matter - absorption: A wave's energy is transferred to matter
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which of the following is an impact of fishing on fisheries? a. an incr…
d. none of the above
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when ocean waves hit a rocky cliff, they bounce off the cliff and chang…
Sam jumps into a pool and creates waves. One wave travels to the pool's edge and bounces back.
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at a cold front, which air pushes into which air? warm into cold cold i…
Cold into warm
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- / 5 pointsthe world bank records the prevalence of hiv in countries a…
0.0012
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5/5 what human activity is mentioned as changing earths natural greenho…
Burning fossil fuels
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which of the following best explains the environmental problems associa…
a. Trawling always destroys sea floor ecologies. b. Trawling gathers fish indiscriminately. Note: Option c is incorrect because trawling is not selective, so "All of the above" (d…
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4/5 which of the following are examples of greenhouse gases mentioned? …
Carbon Dioxide, Water Vapor, Methane
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question 7 (multiple choice worth 2 points)(04.02 hc)read the following…
Pathos: he is using emotion to urge the audience of the need to explore space
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what type of weather is associated with a cold front?thunderstormssunny…
Thunderstorms
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ocean waves flatten when they crash on a sandy beach. this is an exampl…
When a wave is absorbed by matter, the energy of the matter **increases** and the energy of the wave **decreases**. As a result, the wave's amplitude **decreases**.
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column a - terms1. democracy2. irrigation3. pax mongolica4. monotheisti…
8. O 9. L 10. (Note: No remaining exact match, but if forced to use available, the closest relevant is tied to cultural spread, but correct standard match is not listed; using the…
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ocean waves travel through water. this is an example of transmission. w…
A. A wave passes through a guitar string. B. A wave moves through a spring toy. D. A sound wave travels through air.
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where is the precipitation associated with a cold front? way in front o…
Just before/after the front's line
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what is the slope like associated with a cold front? gentle steep rewat…
Steep
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which of the following best explains the current state of the majority …
B. they are currently overfished
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according to the united nations, marine debris is possibly one of the m…
T. True
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long line fishing and drift nets are hazardous to fish and other marine…
T
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why does the warm air get pushed up?the warm air is less densethe warm …
The warm air is less dense
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rewatch question 1 1/5 what is the primary role of the greenhouse effec…
To keep Earth at a comfortable temperature for living things.
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it is best to say that marine debris _______. a. is a hazard to marine …
d. all of the above
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pollution from many nations contributes to the great pacific garbage pa…
T
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cengage webassign - 2020-sp-math-1401-co3 elementary statistics section…
The correct graph is the bottom-right one, where the probability $P(X=x)$ starts highest at $x=1$ and decreases steadily as $x$ increases.
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what is the air like in the maritime tropical air mass?hot and wethot a…
Hot and wet
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marine debris typically ________ a. sickens, injures, or kills marine a…
a. sickens, injures, or kills marine animals
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the current responsible for holding the great pacific garbage patch tog…
a. the North Pacific Gyre
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what is the air like in a continental polar?hot and drycold and wetcold…
Cold and dry
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it has been estimated that only about 13% of california residents have …
0.0005
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describe the sources of marine debris and explain why it is a problem w…
### Sources of Marine Debris: 1. **Land-based (≈80% of total)**: - Coastal and urban litter (plastic bags, food containers) - Stormwater-borne urban/agricultural waste - Industria…
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seafood watch recommends which seafood ______. a. to buy or avoid b. to…
a. to buy or avoid
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⑭ $7\\ \\text{kg}\\ 200\\ \\text{g} = \\underline{\\quad\\quad\\quad}\\…
14. $7000\ \text{g} + 200\ \text{g} = 7200\ \text{g}$ 15. $1000\ \text{g} + 800\ \text{g} = 1\ \text{kg}\ 800\ \text{g}$ 16. $6000\ \text{g} + 600\ \text{g} = 6\ \text{kg}\ 600\ \…
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translate the excerpt below into a confidence interval for p and approx…
The confidence interval for the proportion $p$ is $(0.312, 0.332)$ The level of confidence $c$ is 0.95 (or 95%)
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9. a small unit of matter is ____________10. during boiling and _______…
9. an atom 10. evaporation 11. temperature (or mass/specific heat capacity) 12. isolated 13. slow down (or move less vigorously) 14. conduction 15. vaporization
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draw lines to connect the digital clocks to the clockfaces with the sam…
- 8:45 (yellow digital clock) → Pink square analog clock - 7:35 (blue digital clock) → Light blue round analog clock - 12:10 (yellow digital clock) → Green analog clock - 2:20 (re…
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3. write the name of the wave behavior shown in each image. magnifying …
### For Question 3: - Magnifying Glass: Refraction - Rainbow: Refraction (and dispersion, linked to refraction/absorption) - Radio: Diffraction - Mirror: Reflection ### For Questi…
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inicialmente, estamos a 20 metros y medimos $i1= 7.0 \\times 10^{-4}$ w…
$2.8 \times 10^{-5}\ \text{Watt/m}^2$
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name: _______________ class: 3rdlesson 3: thermal energydirections: use…
1. low amounts 2. conduction 3. mass 4. distance; speed 5. thermal expansion 6. position 7. thermal insulator 8. radiation
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explain how seafood watch promotes environmentally responsible fishing …
Seafood Watch promotes environmentally responsible fishing practices through the following key actions: 1. Develops science-based, tiered seafood ratings (Best Choice, Good Altern…
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name______soil materialssoil can contain humus, clay, silt,rock or sand…
- Humus is decayed matter in **soil**. It contains lots of **nutrients** from former living things. - Clay contains tiny particles of soil that hold **water** well and has some nu…
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directions: study the graphs, read each question, and choose the best a…
16. D. a nationwide drought 17. C. Profits declined from previous years. 18. A. were the lowest in a five-year span. 19. D. 2013 and 2014.
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explain how a policy strategy to reduce, reuse, and recycle might mitig…
A reduce, reuse, recycle (3R) policy strategy mitigates marine debris impacts through three key pathways: 1. **Reduce**: Policies restricting single-use plastic production, bannin…
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1. draw a line to match each term to the proper definition. angle of in…
### 1. Matching Answers: - Angle of Incidence → The angle at which a wave approaches a surface in relation to a perpendicular line from the surface. - Absorption → When a wave's e…
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explain why the biodegradation of plastic might be more hazardous to th…
The biodegradation of plastic creates microplastics, which enter the marine food web and accumulate through trophic levels, harming a wide range of organisms. Additionally, the br…
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directions: study the pictograph, read each question, and choose the be…
6. B. the approval of a federal budget that produces a surplus dedicated to paying money owed to other nations 7. C. The national debt level has continued to rise since 1980. 8. D…
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unit 4 reviewdirections: study the information and table,read each ques…
1. C. The purchasing power of U.S. consumers grew increasingly weak during the early 1930s. 2. A. Unemployment in the United States would gradually decrease. 3. C. inflation 4. D.…
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explain why bottom trawling is still being practiced when it is general…
Bottom trawling persists despite its destructive reputation due to four key factors: 1. **Strong economic incentives**: It yields large, profitable catches quickly, supporting fis…
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it has been estimated that only about 15% of california residents have …
The number of California residents surveyed until a resident who does not have adequate earthquake supplies is found
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by-catch is a term for that part of the catch _______. a. that is used …
D. that was not actually being fished for
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40) reese needs a new bike mirror. her old mirror was a rectangle with …
Reese should buy the circular bike mirror with a radius of 4 cm.
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which of the following best explains why overfishing is considered a ba…
a. Overfishing is not sustainable and ultimately depletes a fishery.
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commemorating the jewish people as \people of the book,\whitereads reve…
1. This memorial depicts 60 pairs of rusted iron shoes placed along the edge of the Danube River bank. The shoes are of various styles, matching those of victims, and have a weath…
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1. suppose the position vector for a particle is given as a function of…
(a) $\vec{v}_{\text{avg}} = 1.00\hat{\textbf{i}} + 0.75\hat{\textbf{j}}\ \text{m/s}$ (b) Velocity: $\vec{v}(2) = 1.00\hat{\textbf{i}} + 0.50\hat{\textbf{j}}\ \text{m/s}$; Speed: $…
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4. you are given $q_{40}=0.02$, $q_{41}=0.03$, and $q_{42}=0.04$.(a) un…
(a)(i) $\boldsymbol{0.0641}$ (a)(ii) $\boldsymbol{1.4763}$ (a)(iii) $\boldsymbol{1.4603}$ (b) $\boldsymbol{2.4258}$ (c) $\boldsymbol{0.0568}$ (d) $\boldsymbol{0.0191}$
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what type of agriculture? * 1 point pastoral nomadism shifting cultivat…
Pastoral Nomadism
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1 where does most of the evaporation in the water cycle take place? a o…
C. over the ocean
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find the surface area of this triangular prism. be sure to include the …
360 $\text{ft}^2$
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the administration team compiled test results for those who had been te…
$\frac{8}{54}$ (corresponding to the third option)
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(a) find the following side lengths for the net. $a = 9$ yd $b = 2$ yd …
(a) $A=9$ yd, $B=2$ yd, $C=5$ yd, $D=5$ yd (b) $146$ yd²
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united states kenya indonesia france brazil canada democratic republic …
Fill-in-the-blanks: 1. concentrated 2. latitude 3. atmosphere 4. absorbs 5. cooler Think About It: This is because temperature decreases as altitude increases. Mount Kilimanjaro's…
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4. a person who has a mass of 65 kg goes on the sky tower ride at an am…
$30.9\ \text{m}$ (rounded to one decimal place)
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directions: create a bohr model of an atom by dragging each subatomic p…
- Central nucleus: 7 blue protons and 7 red neutrons - Innermost orbital: 2 green electrons - Middle orbital: 5 green electrons
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directions: create a bohr model of an atom by dragging each subatomic p…
- Central nucleus: 7 blue protons and 7 red neutrons - Innermost orbital: 2 green electrons - Middle orbital: 5 green electrons
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12. atomic radius generally increases when you move ______ in a group. …
B. down
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question 24 (1 point)according to the reading, which of the following i…
Question 24: d. The battle stopped the Germans from crossing the Marne River and taking Paris Question 25: a. The United States approved the Treaty of Versailles and joined the Le…
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10. to work in the field of it you must possess: a) management skills o…
c) thorough computer knowledge such as hard drives, operating systems, and software development
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question 23 (2 points)according to your reading, president woodrow wils…
Question 23: e. "He kept us out of the war." Question 24: d. This battle stopped the Germans from crossing the Marne River and taking Paris.
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the image below would likely have been created by... a the orwell commi…
1. c. The Committee for Public Information 2. b. Increased government control and regulation
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b. what effect do these homeric similes create? 9. a. what aspects of a…
8b. Homeric similes create a vivid, relatable context for epic events, slow the narrative to highlight key moments, and deepen the emotional weight of characters' struggles by lin…
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question 4 (2 points) according to the reading, the force sent to europ…
c. The American Expeditionary Force
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5. according to ohms law, what must increase if resistance is decreased…
current
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4. what happens to the current in a circuit if the voltage increases, b…
Current will increase.
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ohms law quiz science ae 8 b (s26sc8) #8208 / module 7: electricity and…
the difference in electrical potential energy between two points