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- Multiple ChoicePlease save your changes before editing any questions.
What are gases in the air called that are found in very small amounts?invisibletraceparticleatmospheric - Multiple ChoicePlease save your changes before editing any questions.Earth is surrounded by an envelope of gases called the _____________.hydrospheresolar systematmospherecloud bubble
- Multiple ChoicePlease save your changes before editing any questions.
Which gas makes up 21% of the atmosphere?
ozone
oxygen
nitrogen
water vapor
- Multiple ChoicePlease save your changes before editing any questions.The condition of the earth's atmosphere at a particular time and place is called ___________________troposphereclimatestratosphereweather
- Multiple ChoicePlease save your changes before editing any questions.What percentage of air is made of nitrogen and oxygen?21%78%70%99%
- Multiple ChoicePlease save your changes before editing any questions.Water in the form of a gas is called ______________________?water vaporevaporationliquidnitrogen
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following gases makes up the majority of Earth's Atmosphere?
Oxygen at 78%
Nitrogen at 78%
Carbon Dioxide 78%
Methane 78%
- Multiple ChoicePlease save your changes before editing any questions.This gas makes up 21% of the atmosphereozoneoxygennitrogenwater vapor
- Multiple ChoicePlease save your changes before editing any questions.
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
- Multiple ChoicePlease save your changes before editing any questions.
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