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5th_ReviewSci
Review for Science Test_Ch.4
| Question | Answer |
|---|---|
| The layer above Earth that protects it from the harmful rays of the sun | ozone |
| a mixture containing oxygen, nitrogen, and carbon dioxide | Earth's atmosphere |
| a process that would likely cause a canyon to form | erosion |
| NOT an alternative energy source | fossil fuels |
| NOT a fossil fule | solar energy |
| How much of Earth's water is salt water | about 97 percent |
| two examples of a RAPID process that can form a canyon | landslide and earthquake |
| two examples of a SLOW process that can form a canyon | erosion and weathering |