物理
运动学、受力分析、电学与方程推导。
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a person could float most easily in ocean water that has which characte…
low freezing point
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study these images. which image shows a cumulonimbus cloud? 1 2 3 4
2
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8. challenge: with no friction, you can use the relationship between po…
\( \sqrt{2gh} \) ### Part B
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8 you should not pass in all but one of the following locations a. on h…
C. On road - sections marked with a broken line ### Question 9
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which describes a condition of the neritic zone? few organisms ample su…
ample sunlight
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hich is one way that spring tides are different from regular tides? the…
They are extra-high tides and extra-low tides.
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1 one of the biggest reasons for accident fatalities is a animals cross…
B. Failure to wear your seatbelt ### Question 2
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in addition to liquid precipitation, which are present when freezing ra…
cold surfaces
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which is one factor that contributes to the formation of polar, tempera…
the angle of the Sun's rays
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what temperature pattern do the isotherms show? temperatures increase f…
Temperatures increase from the center of the country toward the Southeast.
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c. how does the car’s kinetic energy at the bottom of the hill compare …
In an ideal (no energy loss) situation, the car's kinetic energy at the bottom of the hill is equal to its potential energy at the top (due to conservation of mechanical energy). …
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which is an example of a local wind? a windchill a jet stream a trade w…
a sea breeze
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which term describes weathering? breaks down rock causes heating and co…
breaks down rock
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which type of wetland includes a mixture of salt water and fresh water?…
coastal wetlands
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which statement explains what happens to sediment during deposition? it…
It is released from a transporting medium.
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when does the northern hemisphere receive the fewest hours of daylight?…
during the winter solstice
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how do changes in wind currents affect the short - term climate in a re…
C. Prevailing winds can cause heavy rains or a dry climate.
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which causes an increase in greenhouse gases? change in wind patterns s…
burning of wood and coal
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why does noise pollution affect aquatic animals? the barking of pet dog…
It disrupts sonar and echolocation which rely on sound.
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what two countries have nearly 50% of global coal reserves? a. united s…
b. United States and Russia
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the image shows a cross section of a landscape and a well. which of the…
3. Layer 3 (the blue water-bearing layer)
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droughts occur when little or no rain falls for a long period of time. …
hydroelectric
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which resource do coal - fired power plants require to generate electri…
D. water
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study these images. which image shows a nonrenewable resource? 1 (image…
1. Image 1 (burning natural gas)
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which agency was responsible for federal noise control in the past? dep…
C. Environmental Protection Agency (EPA)
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which are three requirements for forming petroleum? oxygen, heat, steam…
B. heat, time, pressure
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here are summary statistics for randomly selected weights of newborn gi…
\( 195.1 \)
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which process is a source of outdoor air pollution? releasing mold part…
emitting particles from a dump truck
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which of the following statements about paper recycling is not wrong? a…
a. Recycling one ton of newspaper can save 100 trees.
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what is unique about obtaining water from an artesian well? the water i…
The water is under pressure naturally and no pump is needed.
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which of the following statements about resource use is true? a. the us…
b. Resource use, whether renewable or nonrenewable, must be carefully managed to reduce the impact on the environment.
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which two layers are part of the thermosphere? exosphere and ionosphere…
exosphere and ionosphere
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which is a renewable energy resource? coal petroleum wind natural gas
C. wind
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what do decibels, symbolized as db, measure? wind speed light intensity…
C. noise intensity (assuming the options are labeled A, B, C, D with A: wind speed, B: light intensity, C: noise intensity, D: temperature)
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graphing of data graphing is a very important tool in science since it …
As mass increases, the volume also increases (they are directly proportional, following \( \text{mass} \propto \text{volume} \) for a liquid, indicating a linear relationship typi…
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a scientist mines and processes a nonrenewable resource and obtains cop…
ores
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what would most likely happen if the power lines in a petroleum power p…
C. Customers would not receive electricity.
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how does coal differ from pine trees as a source of energy? coal can be…
Coal is a nonrenewable resource, while pine trees are a renewable resource.
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what can long - term exposure to high noise levels lead to in humans? i…
B. stress - related illnesses and hearing loss
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study the image. which point shows the prevailing westerlies? 1 ○ 1 2 ○…
1
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after the funding for the office of noise abatement and control (onac) …
state and local governments
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what is the minimum level of decibels over a 24 hour period that is con…
70 dB
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where does the energy within the greenhouse effect originate? ○ from co…
from solar radiation entering the atmosphere
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noise pollution has a direct link to human health. it can cause depress…
Hearing loss
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why is the continental divide important? it forms two river systems. it…
C. It separates two major watersheds.
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select the correct answer from each drop - down menu. a conical circus …
The cosine of the missing angle is the ratio of the length of the central pole to the length of the side of the tent, which is $\boldsymbol{0.77}$. Applying $\boldsymbol{\text{inv…
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meteorology is the study of radar. meteors. earths satellites. earths a…
Earth's atmosphere.
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which action can humans take to reduce wave erosion? build drainage sys…
build breakwaters in the ocean
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the author argues that taking the company’s money for the scoreboard is…
D) The scoreboard will lead to more marketing in the school.
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which student below best understood these lessons? macy: a law explains…
Trevor: A law describes a natural occurrence, while a theory explains it.
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how can the process of climate change best be described? ○ artificial a…
natural and continuous
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which paragraph suggests that coming to america would have saved anne f…
Otto Frank survived the Holocaust, the mass killing and imprisonment of European Jews during World War II by German Nazis. Breitman said that if immigration rules had been differe…
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which materials are moved by runoff? nutrients vegetation large rocks p…
nutrients
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15. kids should never take ______ without an adult in charge. sneezes p…
medicines
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what is the difference between an open and closed circuit? the differen…
1. An open circuit is a circuit that is not complete, meaning there is a break in the path so electric current cannot flow. A closed circuit is a complete path that allows electri…
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which effect is most likely from a hurricane? damaged homes due to floo…
damaged homes due to flooding
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how is an occluded front different from a cold front? warm air is pushe…
A. Warm air is pushed up during an occluded front, while cold air moves quickly during a cold front.
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which statement provides the complete explanation of how renewable and …
They differ in the available amount and rate they are used and replaced.
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11) diagram of a prism with dimensions 12 cm, 11 cm, 5 cm, 7 cm, 4.6 cm…
$480.7 \, \text{cm}^3$
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what electromagnetic wave can cause skin cancer? ○ red light ○ yellow l…
ultraviolet radiation
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which option identifies ways that people positively affect earths resou…
build dams, use cars that emit fewer harmful gases, and halt the runoff of factory waste into rivers and streams
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what happens when the sun emits more energy than normal? solar flares a…
A. Solar flares and sunspots occur, increasing Earth's temperature.
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which statement best describes a characteristic of maritime polar air m…
B. They form over water with cool, moist air.
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what is one way people have negatively affected land resources? ○ habit…
B. urbanization
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which type of mass movement is the most destructive? creep erosion land…
C. landslide
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select the correct answer. a boat is anchored in the water. the anchor …
D. 27.8 ft
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initially, your waist measurement was forty - one and three - fourths i…
The waist measurement difference is negative seven - twentieths inch, a loss of seven - twentieths inch.
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multiple choice questions: choose the correct answer from the choices f…
1. b) Movement along faults in the Earth's crust 2. c) Seismograph
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roller coaster performance lab name: zoe class: physics date: 1-28-26 g…
s to specific sub - questions: 1. a. A gentle and fun roller coaster. 1. b. 40 meters, physically realistic as explained. 1. c. 1200 meters (proportional to height as shown), cart…
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2. reteach this to a 5th grader....what was reconstruction? what and wh…
(1) protect the rights of formerly enslaved persons ### Question 2
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tech a says that an electronic braking system has sensors that monitor …
c. Both A and B
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additional programming is added to the ebcm to control the high - press…
True
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which sensor in the esc system tells the ebcm the rate at which the veh…
c. Yaw sensor
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the brake switch sends an electronic signal to which of the following? …
c. Both A and B
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the brake switch is an on/off switch that informs the ebcm of whether o…
True
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all of the following are typical sensors used by the electronic stabili…
d. the crash frontal sensor.
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______ occurs when the teeth on the tone wheel pass the sensor, creatin…
c. Magnetic induction
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true or false. wheel speed sensors send electric signals to the electro…
True
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are the daily ounces of protein required for the fitness program within…
A. Yes, the daily ounces of protein in your meal plan are within the recommended daily ounces. The five and one - fourth ounces of protein in your meal plan is greater than 5.0 ou…
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of fruit. you eat three meals per day. how many ounces of protein and w…
B. Sixty - six and fifteen - sixteenths ounces (Note: The original option labels might be misrepresented. If we assume the correct calculation leads to "Sixty - six and fifteen - …
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on some systems, the power booster consists of a high - pressure electr…
c. Master cylinder
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which of the following is one of the four most dangerous indoor air pol…
A. radioactive radon gas
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calculate the total volume and hourly iv flow rate for a 25 kg child re…
Total volume: 1600 mL/day, Hourly flow rate: 67 mL/hour --- ### QUESTION 3: 2,600 g infant
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how does poor indoor air quality most commonly affect human health? by …
by causing respiratory problems
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how does indoor air pollution compare to outdoor air pollution as a thr…
greater
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radon seeps out of the ground. where is it most likely to accumulate in…
A. Basements
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what is the greatest source of indoor air pollution in less - developed…
Poorly ventilated cooking fires
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tobacco smoke and formaldehyde are dangerous indoor pollutants. which o…
Radon gas
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read the following scene from the chaste adventures of joseph. a comedy…
Viewers would not have to visualize the setting or the background associated with this scene.
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Question was provided via image upload.
5 ### Part C
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35 fill in the blank 1 point sound, or water waves, are considered choo…
mechanical
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number of waves use the image below to answer the questions. 30 multipl…
A. A
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number of waves use the image below to answer the questions. 30 multipl…
A. A
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7-5. the population of the world’s people is not evenly divided over th…
a. Antarctica's population portion is shown as 0% on the circle graph. This is because its actual 0.0002% global population is so minuscule that it rounds to 0% for the scale of t…
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how does increased vegetation typically impact urban temperatures? it r…
It lowers temperatures by absorbing heat.
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what is defined as \higher surface temperatures in urban areas, visible…
B. surface heat islands
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number of waves use the image below to answer the questions. 30 multipl…
A. A, C. C
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what is a key strategy for mitigating heat islands? expanding the use o…
B. green spaces, trees, and green building features
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what do urban areas often replace vegetation with, contributing to heat…
concrete and steel
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9. list the time it takes for the following: earth rotates on its axis …
- Earth rotates on its axis: Approximately 24 hours (1 day). - Earth revolves around the sun: Approximately 365.25 days (1 year). - Moon revolves around the Earth: Approximately 2…