物理
運動學、受力分析、電學與方程推導。
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what is a greenhouse gas? (1 point) a gas at higher temperature than th…
B. any gas in the troposphere that absorbs and re - emits infrared radiation
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3) an observer standing on the top of a vertical cliff spots a house in…
The house is approximately 282.2 meters from the base of the cliff.
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rock cycle review complete the crossword puzzle below created using the…
## Across: 2. SOLIDIFICATION 4. P-WAVES 7. SEDIMENT 9. MAGMA 12. STRATIFIED 13. WEATHERING 14. OUTER CORE 15. PRESSURE 16. CONVECTION ## Down: 1. IGNEOUS 2. CRUST 3. MANTLE 5. S-W…
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in a randomized experiment, if there are large differences in outcomes …
C. the treatments
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rugged nicaragua in between. 3 central america is the geographic zone k…
Central America is the geographic zone known as the \underline{Ring} of \underline{Fire}. It is a circle of \underline{volcanoes} around the \underline{Pacific} Ocean. The movemen…
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how do environmental variables complicate hvacr testing? a. testing con…
A. Testing conditions, such as air pressure and temperature, can affect testing.
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drag the item to the correct location. (2 points) earths most recent gl…
- Earth's most recent glacial period ended about $\boldsymbol{11,500}$ years ago. - The Great Oxygenation Event began about $\boldsymbol{2.3}$ billion years ago. - About $\boldsym…
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directions: brainstorm your answers to the following questions in the s…
### Question 1: 1. Scientists studied West Antarctic sub-ice volcanoes using airborne radar (to map ice-bedrock interfaces) and seismic surveys (to detect magma movement). 2. Othe…
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how do industry organizations make it easier to compare testing results…
C. Industry organizations determine a set of standard conditions that make all HVACR testing results comparable
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1. brainstorm what characteristics distinguish areas with high levels o…
1. **High tectonic activity area characteristics**: - Frequent earthquakes, volcanic eruptions, or aftershocks - Located near tectonic plate boundaries (divergent, convergent, tra…
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the outdoor ambient temperature for ahri rating condition \a\ is: a. $7…
A. \(75^{\circ}\text{F}\)
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rugged nicaragua in between. 3 central america is the geographic zone k…
Central America is the geographic zone known as the \underline{Ring} of \underline{Fire}. It is a circle of \underline{volcanoes} around the \underline{Pacific} Ocean. The movemen…
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drag each item to the correct location. (2 points) true false climate h…
TRUE: - Climate has changed naturally over Earth's history. - Earth is currently in an interglacial period. FALSE: - Atmospheric composition has remained constant throughout Earth…
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the outdoor ambient temperature for ahri rating condition \a\ is: a. $7…
C. 95°F
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cereal the starchy part of a grain, which provides energy and is a majo…
Cereal matches with: The starchy part of a grain, which provides energy and is a major food source.
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the outdoor ambient temperature for ahri rating condition \a\ is. a. $7…
A. 75°F
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whole grain; the process of starch granules absorbing water and swellin…
Whole grain: Includes all parts of the grain kernel: the bran, germ, and endosperm. The process of starch granules absorbing water and swelling when heated.: Gelatinization Grains…
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the outdoor ambient temperature for ahri rating condition \a\ is a. $75…
A. 75°F
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the original height of the great pyramid of giza was 481 feet. the side…
610 (Option: 610)
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complete the activity to practice what you have learned. match each nat…
- human activity: 10 - 100 years - changes to Earth’s axis and orbit: thousands of years - volcanic eruptions: 1 - 10 years - solar output: 1 - 10 years (or if solar output is con…
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the amount of space occupied by matter defines a. mass b. weight c. vol…
C. Volume
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weight is defined as a. the amount of time it takes an object to achiev…
B. The force of gravity acting upon an object.
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match the description to the correct ruler * 4 points peter the great (…
1. Built the Palace of Versailles and called himself the "Sun King." → Louis XIV (France) 2. Sent the Spanish Armada [fleet of ships] to attack England but failed. → Philip II (Sp…
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what is the difference between the weight and mass of an object? a. mas…
B. Mass is not affected by gravity
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which of the following is true of items with a larger mass? a. objects …
A. Objects with a larger mass have more inertia than objects with less mass
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common sense by thomas paine government, like dress, is the badge of lo…
C. Common Sense argues for the purpose of government, while the Federalist Papers argues for the structure of government.
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early u.s. documents quick check common sense by thomas paine society i…
B. by comparing a government to clothing
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the point at which water or another substance may exist simultaneously …
C. Triple point
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the state of matter with the lowest energy level is a. solid b. gas c. …
A. Solid
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compare and contrast the health - related problems that severely underw…
- **Similarities**: Both groups may have immune system weaknesses, increased chronic disease risk, and energy - related issues (fatigue or low energy). - **Differences**: Severely…
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the state of matter with the highest energy level is: a. solid b. liqui…
C. Gas
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check the correct box 1 what does ohms law explain? □ the relationship …
1. ☑️ The relationship between voltage, current, and resistance 2. ☑️ Georg Simon Ohm 3. ☑️ $I = \frac{V}{R}$ 4. ☑️ The current increases
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11. which of the following is evidence for the impact of climate change…
- Ice sheets are melting and causing sea levels to rise - Storms linger in an area for longer periods of time due to a weakened jet stream - Oceans are becoming more acidic making…
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the nucleus of an atom a. produces centrifugal force b. is negatively c…
C. Is composed of protons and neutrons
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__________ are the source of all light in space. moons stars planets th…
1. stars 2. solar system 3. gravity 4. helium and hydrogen
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nitrogen makes up 78% of earths _______. lithosphere atmosphere ocean w…
1. atmosphere 2. earth's rotation on its axis 3. water 4. core
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mass measures a. only the density of a solid b. only the specific gravi…
D. How much matter an object has
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a measure of how fast an objects particles are moving is __________. te…
1. A. temperature 2. B. thermometer 3. B. magma 4. B. crust
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for what reasons do you think the author has shared the following anecd…
B. The author is asked to confront her racial identity E. She was asked to accept that the world did not see her the way she saw herself F. The incident challenged the way she saw…
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a push or a pull is called _______. * 2 points ○ motion ○ force ○ an ar…
1. force 2. motion 3. friction 4. electric
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lesson 1 carbon cycle and the ocean (1 point) ○ because they cause a lo…
The correct option is: Because they are rich in carbon, which is a greenhouse gas (the third option among the given choices, with the full text "Because they are rich in carbon, w…
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reflections on concepts 1. why does pole star seems to be stationary? (…
The Pole Star (Polaris) appears stationary because it lies almost directly above the Earth's North Celestial Pole. As the Earth rotates on its axis, the celestial pole is the cent…
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matter cannot be created or destroyed, but it can and does change form.…
A. The law of conservation of matter.
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an example of a good conductor is _______. wood aluminum plastic to fin…
1. B. aluminum 2. B. distance 3. B. decelerating 4. mass × acceleration (mass X acc)
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7. drag and drop the correct order of the cause-and-effect relationship…
1. First box: carbon dioxide in the atmosphere 2. Third box: severe storms 3. Fourth box: flooding
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data table 1: trial (spinning time in seconds) coin | 1 | 2 | 3 | 4 | a…
| Coin | Average Spinning Time (seconds) | |--------|----------------------------------| | penny | $\frac{6.2 + 6 + 2 + 7}{4} = 5.3$ | | nickel | $\frac{3 + 6 + 3 + 2.1}{4} = 3.52…
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6. which correctly shows the sequence of events for human - caused clim…
B. Humans burn more fossil fuels → Greenhouse effect increases → Earth's temperature rises
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the image shows a person in an elevator and also indicates direction of…
A. REST (where the elevator is at rest, so acceleration \( a = 0 \), and the person's weight (apparent weight) does not change as the normal force equals the true weight \( mg \))
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what is the process where a solid changes to a gas without forming a li…
C. Sublimation is the process where a solid changes to a gas without forming a liquid.
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5. which of the following can be used to show evidence of what the clim…
D. All of the above
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the image shows a person in an elevator and also indicates direction of…
A. (The option where acceleration is downward, leading to \( T < mg \) and decreased apparent weight)
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what is the process where a solid changes to a gas without forming a li…
C. Sublimation is the process where a solid changes to a gas without forming a liquid
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4. the burning of fossil fuels adds excess carbon to the atmosphere. wh…
It is causing less ocean currents
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11. a refrigerator that is 200 kg experiences an applied force to the r…
0.5 m/s² (corresponding to the first option: 0.5 m/s²)
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rths processes climate change carbon cycle and the ocean (1 point) carb…
B. The amount of carbon stays constant and simply cycles through
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behavior: the ruler’s word is final. they do not need to ask for permis…
1. Absolute 2. Constitutional 3. Constitutional 4. Absolute - When a ruler believes they answer only to God, they are likely to act **more** selfishly because... they face no acco…
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excerpt 2. “... the object of the amendment was undoubtedly to enforce …
The gist of the excerpt is: 1. The targeted amendment only sought legal, not social, racial equality, and did not aim to eliminate color-based distinctions or unwanted racial mixi…
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in which ways does the ocean reduce the effects of climate change? sele…
A. It absorbs heat, C. It absorbs carbon dioxide
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1 a countrys production possibilities curve can increase when the labor…
A. Use of technology
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use this map to answer questions 34-40; write the appropriate letter to…
s: 34. \( G \) 35. \( B \) 36. \( A \) 37. \( D \) 38. \( F \) 39. \( B \) (or the dotted region associated with the Fertile Crescent, which aligns with \( B \) for Mesopotamia - …
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what is the importance of the gulf stream in terms of climate? (1 point…
C. It makes the climate of western Europe milder.
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what should someone placing a sterile item onto a sterile field take pa…
- Only touch the opening flaps of the package, not the contents - Open and drop the item from ~6 inches above the field - Using gloved hands, gently remove the sterile item from i…
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in which direction is the upper flap on a pre - packaged sterile kit un…
C. Away from one's body
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how did henry fords major contribution to industry impact the united st…
His assembly line method of production allowed for goods to be produced faster and more cheaply and sold for a lower price
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luke is going to school to get a degree in veterinary medicine. he want…
d. Work an entry level position at a veterinary clinic
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how do humans cycle carbon from the biosphere to the atmosphere? (1 poi…
C. by respiration
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question 10 (true/false worth 2 points) (03.06r lc) disinfection kills …
false
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which disinfection method for wastewater can be cancerous when fumes ar…
B. Chlorination
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question 49 (2 points) when is a food considered adulterated? a after i…
c. When it is held under unsanitary conditions
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which of the following steps in wastewater treatment is an example of b…
Microorganisms are added to feed on solids in the wastewater.
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which of the following best explains a reason for having a wastewater s…
B. Wastewater can be collected, tested, and used to trace viral outbreaks.
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question 48 (2 points) where should cleaning supplies be stored? a on t…
d. In a location away from food prep areas
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stabilization ponds use fast-moving waters as a quick, low energy way t…
false
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how can drinking water become contaminated with wastewater? leaks from …
Leaks from septic tanks into groundwater
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7. what is the average force given a mass of 77.0 kg? assume that at t …
\( \boxed{1.44\,\text{N}} \)
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question 47 (2 points) the condition that occurs when the pressure of t…
a. Back siphonage
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describing the electrons of an atom use the drop - down menu to complet…
a lower energy than
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which of the following is not a sustainable wastewater method? chlorina…
Chlorination for disinfection
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why did moody choose to use long, detailed sentences and a slow pace in…
B. To reflect Marian's emotions as she first approaches the nursing home
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select the correct answer denise, a defense attorney, is preparing to d…
B. motion for suppression
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question 46 (2 points) the third compartment in a three compartment sin…
c. Sanitizing
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which statement best explains why proper wastewater treatment is necess…
The correct statement is: Water must be fit for human use or consumption
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how can an author slow down the pacing of a story and force the reader …
C. By using complex sentences that have a lot of details
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the wastewater from toilets, or ______, may contain high levels of path…
blackwater
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question 44 (2 points) to prevent pests from entering an operation, doo…
c. Tight fitting seals
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how are air masses classified? by the area over which they form and the…
by the area over which they form and the temperature associated with them
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question 43 (2 points) when cooking raw foods in a microwave, food must…
b. Stirred midway through the cooking process.
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6. enter your answer. use the description and the graph to answer the q…
To draw conclusions about the distances traveled during the intervals, we use the formula \( \boldsymbol{\text{Distance} = \text{Speed} \times \text{Time}} \). If the car travels …
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challenge: the \fast & frictionless\ racer objective: design and build …
(for "How will this Work?" section): - **Option A (Balloon Power):** Inflate the balloon, attach it to the car with the opening facing backward, and release the air. The escaping …
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question 41 (2 points) electrical power outages and sewage back ups are…
b. Serious but not food - related violations
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energy 1. describe the difference in the composition of natural gas and…
Natural gas is mainly methane ($CH_4$) with small other hydrocarbons. Oil is a complex mix of various hydrocarbons (alkanes, cycloalkanes, aromatics) with longer, more complex cha…
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warm fronts cause extended periods of light precipitation, while cold f…
Warm fronts cause extended periods of light precipitation, while cold fronts produce strong storms.
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the graph below shows kates distance from her home (y), in miles, after…
Lucy. She drives at a variable speed for 2 minutes, then drives at a constant speed for 6 minutes, and finally stops at the parking area for the next 2 minutes.
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6. (a) the mass of this car is 970 kg. calculate the acceleration of th…
0.1 m/s² (corresponding to the option with 0.1 m/s²)
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question 40 (2 points) which must be washed before being prepped for se…
a. Shell eggs
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in the lowest parts of a cold air mass at the frontal boundary of two h…
at the frontal boundary of a high - pressure and a low - pressure air mass
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question 39 (2 points) a hose is connected to a faucet to fill a bucket…
a. A cross-connection can be created
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5. examine the picture of the car and people below and answer the follo…
-110 N (corresponding to the option with -110 N)
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sit and reach test muscular strength shuttle run flexibility presidenti…
To solve this matching problem, we analyze each term and its corresponding definition: ### 1. Sit and reach test Definition: "Test used to measure flexibility" (matches as it’s a …
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they move from areas of high altitude to areas of low altitude. they mo…
They move from areas of high pressure to areas of low pressure.