物理
运动学、受力分析、电学与方程推导。
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1. if it takes 7.5 years for a stars light to reach earth, we would see…
1. **Brief Explanation**: El tiempo que tarda la luz en viajar es igual al tiempo que ha pasado desde que la luz fue emitida. Si tarda 7.5 años en alcanzar la Tierra, vemos la est…
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what is the weight of a box with a mass of 150 kg on earth? use g = 9.8…
1471.5
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how do you write 42.3 in scientific notation? 4.23 × 10^1
$4.23\times10^{1}$
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what is the weight of a boy with a mass of 50 kg on earth? n use g = 9.…
491
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if an astronaut weighs 981 n on earth and only 160 n on the moon, then …
100
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adapted from the diamond lens by fitz - james obrien 1 which detail is …
B. the parts of the microscope
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question 13 (1 point) the atomic spectrum of which element played an im…
A. hydrogen
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client consultation true or false indicate whether the following statem…
16. T 17. F, Reason: It's important to know about medications for client safety. 18. T 19. T 20. T 21. T 22. F, Reason: Client's comfort with water temperature is important.
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earths carrying capacity is not fixed. identify the statements that cor…
- Carrying capacity increases with reduced ecological footprint. - Carrying capacity increases with technological innovations. - Carrying capacity decreases with environmental dam…
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adapted from the diamond lens by fitz - james obrien 4 which detail is …
A. the parts of the microscope
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the united states has a smaller per capita ecological footprint than qa…
China has a larger population than the United States.
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question 15 of 16 a: estimated and projected world population according…
constant fertility variant: 14 billion; high fertility variant: 15 billion; medium fertility variant: 11 billion; low fertility variant: 8 billion
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part a in case shown in (figure 1), determine the x and y components of…
$200,250$
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how does healthy eating affect your body and brain? share two positive …
1. More Energy: Eating nutrient - dense foods helps one feel energized and able to focus throughout the day. 2. Better Mood and Brain Function: Proper nutrition supports the brain…
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select the correct number of significant figures in each measurement. m…
37.06 cm has 4 significant figure(s). 0.008 mL has 1 significant figure(s). 6.00×10⁻² m has 3 significant figure(s). 0.05050 L has 4 significant figure(s). 340 kg has 2 significan…
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3. how did the creation of new extended families help enslaved africans…
The new extended families helped enslaved Africans survive in the Americas by providing social support, resource - sharing, emotional comfort, assistance in child - rearing, and c…
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multiple choice question true or false: everyone has the exact same nut…
B. False
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select the correct number of significant figures in each measurement. m…
37.06 cm has 4 significant figures 0.098 mL has 2 significant figures 0.00×10⁻² m has 0 significant figures 0.05050 L has 4 significant figures 340 kg has 2 significant figures 65…
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is there a sentence fragment? lava from the hawaiian volcano kilauea us…
no
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open ended question what are 2 ed flags\ of fad diets? (hint: how do yo…
1. Promise of rapid weight - loss. 2. Elimination of entire food groups.
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how do you write 0.000197 in scientific notation? 197 × 10^3
\(1.97\times 10^{-4}\)
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adapted from trips to the moon by lucian (translated by thomas franckli…
B. "I have now resolved to renew the war and establish my colony."
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how do you write 65,400 in scientific notation? × 10
$6.54\times 10^{4}$
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adapted from london excursion: bus by john gould fletcher great walls o…
C. by describing the mechanical nature of the city and the desire to revolt against it
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how do you write 82.8 in scientific notation? × 10
$8.28\times 10^{1}$
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what is the textual evidence?? cherry and marci were at the drive - in …
"Cherry and Marci were at the drive - in without a car" can be considered as a piece of textual evidence in a relevant context. The statements about Socs and Greasers and Cherry's…
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question 1 (10 points) directions: please use your textbook to answer t…
Healthcare professionals should study the distinct characteristics of various age groups in terms of physical, mental, and social development, and cultivate age - suitable communi…
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choose what all - in - one computers actually mean. a) all - in - one c…
A. All - in - one computers house every component except the keyboard and mouse inside the same case as the monitor
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multiple choice question true or false: fad diets often result in weigh…
A. True
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4. name 3 examples of physical properties.
Color, melting - point, density
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choose the desktop computer features. a) desktops allow for relatively …
A. Desktops allow for relatively easy upgrade and expansion., B. Desktops are often used in offices since they do not need to be mobile., D. Desktops use a full OS
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question 11 (1 point) which observation led j.j. thompson to conclude t…
the deflection of cathode rays by an electric field
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animation by meredith moore. (1) as technology has become more sophisti…
C. Drawing in Animation
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are the numbers in each of the following statements measured or exact? …
Exact: There are 100 capsules in the bottle, There are 452 pages in a book, In the U.S. system, there are 12 inches in one foot Measured: 1 L is equal to 1.06 quarts, The patient'…
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5. it takes the body, on average, approximately how long to eliminate t…
b. 1 hour
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4. factors that affect how high a drinkers bac reaches include(s) ___. …
D. A and C
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the ape\ is also known as the neck. true false
FALSE
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digital equipment repair. use the information below to answer the quest…
an innate understanding of technology
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mass and space use the information below to answer the question visual …
mass
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science: scientific investigations understanding the scientific investi…
1. question 2. observe 3. record 4. analyze 5. share 6. hypothesis 7. evidence 8. analyze 9. conclusion
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read the following excerpt. it is adapted from a 1941 speech that presi…
to convince the nation that a declaration of war is necessary
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read the abstract and then answer the question. gravity and drag both r…
academics in the field of engineering
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revise and edit the following sentences. use the strategies we learned …
1. The movie was nearly three hours long, yet it kept the audience engaged the entire time. 2. The storm knocked out the power. We had to use candles for light until the electrici…
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2. write the differences between the following a. mass of rocks that is…
3. Geyser: A hot - water spring that intermittently ejects water and steam. Volcano: A rupture in Earth's crust for magma, ash, and gas eruptions. 4. Lake: A large, relatively dee…
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land slide: a landslide encompasses a broad spectrum of soil movements.…
Water Cycle
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which country is highlighted? type the full name. remember to capitaliz…
Germany
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movement of rivers and oceans the constant flow of water transforms the…
Movement of rivers and oceans
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eruptions the deep rock material is sub - jected to very high pressures…
Crystallization
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mountain formation mountains are formed by movements and geographical a…
Meteors
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(02.03 mc) the graph shows the velocity f(t) of a runner during a certa…
The initial velocity of the runner was 2 m/s, and the runner stopped after 8 seconds.
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6 there are approximately 690 grizzly bears in yellowstone national par…
3450 square miles
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water cycle: continuously and slowly at room temperature, the water eva…
Movement of Continents
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meteors: often small objects collide the earth. asteroids 5 to 10 meter…
Meteors
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natural gas is very abundant in the united states. compared to other fo…
A. Natural gas has no solid waste products.
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movement of rivers and oceans the constant flow of water transforms the…
Crystallization
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which is the best example of forces acting in the same direction? a boy…
two football players pushing a tackling sled
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read the description of a proportional relationship. in a flash of shee…
20
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read the description of a proportional relationship. in a flash of shee…
8
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diego is trying to lift a piano to the second floor of his house. diego…
positive force → balanced force → negative force
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read the description of a proportional relationship. in a flash of shee…
$2x$
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an object is moving across a surface, but it does not gain or lose spee…
The net force is zero.
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haley is trying to pull an object upward. the below forces are acting o…
↓ 500 N
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which of the following observations does not support the theory that ea…
C. Similar weather patterns are found on widely separated continents.
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which force best represents $f_{g}$? a weight lifter is pushing a barbe…
The weight of a barbell acting on a weight lifter is 80 N.
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what is a major area in the basin of the pacific ocean where a large nu…
A. Ring of Fire
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which units are used to measure force? newtons feet miles grams
A. newtons
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if forces acting on an object are unbalanced, which factor may result f…
The net force is negative.
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evidence that supports the theory of continental drift has been provide…
D. All of the above are correct.
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jill is pushing a box across the floor. which represents the upward for…
C. $F_N$
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which best describes two counteracting forces on an object? using a dol…
two children pulling apart a wishbone
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figure 5 ...... resolution the images in colorful photographs actually …
Cyan, magenta, yellow, and sometimes black.
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plates containing crust and upper mantle form earths: a hydrosphere b b…
D. Lithosphere
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what can you say about both the features of the continents and oceans a…
C. Both are primarily determined by plate tectonics.
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question 18 3 tries left the green restaurant associations seven enviro…
There is no correct option among the given ones.
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natural gas is very abundant in the united states. compared to other fo…
A. Natural gas has no solid waste products.
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3 tries left the green restaurant association (gra) has been certifying…
C. twelve
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the drawing shows the distribution of four different fossils across sev…
C. They show that the continents were once joined together.
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put each career listed in the word bank into the row next to its relate…
Marketing Communications: Advertising Executives, Advertising Production Managers Marketing Research: Market Analysts, Market Research Interviewers, Product Analysts Marketing Man…
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the promotion of products or brands through one or more forms of electr…
B. Digital marketing
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2. read the passage below and answer the question that follows. many pr…
Products should be designed to last longer to help the environment and consumers.
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which of the following is a series of organized activities working towa…
B. Campaign
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match the pathway with their role. note to complete this question witho…
1. Merchandising 2. Marketing Communications 3. Marketing Management 4. Professional Sales 5. Marketing Research
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core measures are developed using: a. evidence based medicine b. the nu…
1. A. Evidence Based Medicine 2. B. Discharge instructions specific to HF 3. A. Dysphagia screening prior to oral medication administration and Assessment for rehab prior to disch…
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question 25 1 pts what does the root \fid\ in confidence mean? power or…
faith or trust
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which example of m.a.i.n. is being expressed in the news headline? us w…
B. Alliances
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ddt was a highly effective insecticide developed in the 1940s. ddt was …
B. DDT use resulted in the decline in some species due to biomagnification.
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question 18 1 pts if a thermometer measures the temperature, which of t…
B. hydrometer
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which example of mun is being expressed in the news headline? us warns …
Politics
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many types of energy are harnessed to create electricity. wind and sola…
D. Although petroleum is a fossil fuel, created from plant and animal remains, the process takes many millions of years.
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1pt which ocean feature is formed by magma that rises from earths mantl…
D. mid - ocean ridge
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1pt which of the following can sonar be used for? a. calculating the de…
A. calculating the depth of the ocean floor
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the picture and graph below show the movements of a car on a straight r…
L: Car moving at fastest forward speed M: Car moving at slowest forward speed N: Car stationary O: Car moving at fastest reverse speed P: Car moving at slowest reverse speed
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1pt what is the order of ocean floor features between the shore of a co…
B. continental shelf, continental slope, continental rise
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which feature of the ocean floor is located at the edge of a continenta…
D. continental shelf
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the reason that the nail bed appears pink is the presence of a large nu…
C. blood vessels
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1pt the topography of the ocean floor is called __________. a. altimetr…
B. bathymetry
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1pt how do scientists collect data for bathymetric maps? a. sonar b. sa…
D. all of the above
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based on the graph, during what time period is the race horse moving at…
D. 4 to 6 seconds
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3. risk factors for heart disease include all of the following, except:…
3. C. Elevated HDL cholesterol 4. D. Sudden onset of crushing chest pain 5. (No specific answer as the visual ECG options are not described in detail, but should be the one with S…
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which zone is located on the ocean floor? a. benthic b. neritic c. pela…
A. benthic