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Where is Earth’s atmosphere most dense?

Where is Earth’s atmosphere most dense?. at its bottom at its top on a mountaintop d. at the height jets fly. Earth’s atmosphere is mostly. oxygen and hydrogen nitrogen and water vapor oxygen and carbon dioxide nitrogen and oxygen.

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Where is Earth’s atmosphere most dense?

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  1. Where is Earth’s atmosphere most dense? • at its bottom • at its top • on a mountaintop • d. at the height jets fly

  2. Earth’s atmosphere is mostly • oxygen and hydrogen • nitrogen and water vapor • oxygen and carbon dioxide • nitrogen and oxygen

  3. Plants take carbon dioxide from the air as part of the • water cycle • Nitrogen cycle • Carbon cycle • Volcanic cycle

  4. Which of these statements is true? • Water is exchanged with nitrogen in a natural cycle. • The water cycle only involves the liquid form of water. • Ongoing life processes are part of the nitrogen cycle. • Water is exchanged with carbon in a natural cycle.

  5. Which of these is a sudden event that can change Earth’s atmosphere? • A rainstorm in a mountainous area • The eruption of a very large volcano • The release of oxygen by plants • The decay of animals after they die

  6. The distance above sea level is • altitude • landitude • atmosphere

  7. The amount of mass in a given volume of substance is called • Thickness • Density • weight

  8. Which cycle takes water from oceans and lakes and changes into a gas in the atmosphere? • Carbon cycle • Nitrogen cycle • Water cycle

  9. The decay of plants and animals is very important to this cycle • Carbon cycle • Nitrogen cycle • Water cycle

  10. The transfer of energy from place to place in the form of certain types of waves • Absorbs • Conduction • Convection • Radiation

  11. The ground is heated by _________ from the sun. • Absorbs • Conduction • Convection • Radiation

  12. The air just above the ground is heated by ___________ from the ground. • Absorbs • Conduction • Convection • Radiation

  13. When warm air moves upward, the energy is moved by • Absorbs • Conduction • Convection • Radiation

  14. Ozone gas ________ solar energy and heats the stratosphere. • Absorbs • Conduction • Convection • Radiation

  15. __________ is the transfer of energy by direct contact of matter. • Absorbs • Conduction • Convection • Radiation

  16. An object gains energy when it ___________ light. • Absorbs • Conduction • Convection • Radiation

  17. Air is extremely thin • Troposphere • Stratosphere • Mesosphere • Thermosphere

  18. Bottom layer of the atmosphere next to the ground • Troposphere • Stratosphere • Mesosphere • Thermosphere

  19. Contains the ozone layer • Troposphere • Stratosphere • Mesosphere • Thermosphere

  20. Gradually becomes outer space • Troposphere • Stratosphere • Mesosphere • Thermosphere

  21. 80% of the total mass of the atmosphere • Troposphere • Stratosphere • Mesosphere • Thermosphere

  22. The higher you go in this part of the atmosphere, the cooler it gets • Troposphere • Stratosphere • Mesosphere • Thermosphere

  23. Meteors burn up in this part of the atmosphere • Troposphere • Stratosphere • Mesosphere • Thermosphere

  24. The higher you go the warmer it gets • Troposphere • Stratosphere • Mesosphere • Thermosphere

  25. Contains almost all the water vapor found in the atmosphere • Troposphere • Stratosphere • Mesosphere • Thermosphere

  26. What happens to most visible light when it enters the atmosphere? • It is emitted • It is absorbed • It is reflected • It passes through

  27. Which type of radiation waves have more energy than waves of radiation that you can see? • Ultraviolet • Infrared • Visible • greenhouse

  28. Which of the following is true? • Greenhouse gases absorb and give off ultraviolet radiation. • Greenhouse gases absorb and give off infrared radiation. • Greenhouse gases absorb solar radiation and keep Earth’s surface from heating up. • Greenhouse gases reflect radiation from Earth’s atmosphere to outer space.

  29. Ozone is a molecule that is • Made of three atoms of oxygen • Made of one carbon dioxide and one water atom • The main ingredient in the stratosphere • Mainly responsible for the greenhouse effect

  30. Ozone is found in what layer of the atmosphere? • Stratosphere • Mesosphere • Troposphere • Thermosphere

  31. This protects us from the harmful ultraviolet radiation • Greenhouse affect • Ozone • Atmosphere • Infrared radiation

  32. Without this part of the atmosphere water would freeze and it would be too cold for most life forms on Earth. • Greenhouse effect • Ozone • Atmosphere • Infrared radiation

  33. True or False- Human activity is the only source of pollution.

  34. True or False- Air pollutants affect only living things.

  35. True or False- Particulates are gaseous pollutants mixed with air.

  36. True or False- The burning of fossil fuels produces both air pollution and greenhouse gases.

  37. True or False- A combination of pollutants formed in the presence of sunlight is just one of the two types of smog.

  38. True or False- Pollution can cause many health problems for humans.

  39. True or False- The Clean Air Act limits the amount of air pollution that factories and power plants are allowed to release.

  40. True or False- Global warming is occurring because of the amount of ozone we are adding to the atmosphere.

  41. True or False- Global warming is occurring because of the amount of ozone we are adding to the atmosphere.

  42. True or False- Chlorofluorocarbons (CFCs) affect the amount of ozone found in the atmosphere.

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