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- 1. Multiple Choice
What are gases in the air called that are found in very small amounts?invisibletraceparticleatmospheric - 2. Multiple ChoiceEarth is surrounded by an envelope of gases called the _____________.hydrospheresolar systematmospherecloud bubble
- 3. Multiple Choice
Which gas makes up 21% of the atmosphere?
ozone
oxygen
nitrogen
water vapor
- 4. Multiple ChoiceThe condition of the earth's atmosphere at a particular time and place is called ___________________troposphereclimatestratosphereweather
- 5. Multiple ChoiceWhat percentage of air is made of nitrogen and oxygen?21%78%70%99%
- 6. Multiple ChoiceWater in the form of a gas is called ______________________?water vaporevaporationliquidnitrogen
- 7. Multiple Choice
Which of the following gases makes up the majority of Earth's Atmosphere?
Oxygen at 78%
Nitrogen at 78%
Carbon Dioxide 78%
Methane 78%
- 8. Multiple ChoiceThis gas makes up 21% of the atmosphereozoneoxygennitrogenwater vapor
- 9. Multiple Choice
Which of the following statements are true about oxygen?
it is needed by animals but not by plants
it is needed by plants and animals to release energy from food
it is released by fuels when they burn
it is necessary for fire to burn
- 10. Multiple Choice
Which of the following statements are true about carbon dioxide?
it is essential to life
plants need it in order to produce food
it is used by animals to digest food
it is needed by fuels to burn
- Answer choicesTagsAnswer choicesTags