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Cooper 1/16/2020
By Erica Cooper
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Last updated over 5 years ago
3 questions
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Question 1
1.
Question 2
2.
Question 3
3.
What does the word terrestrial mean?
relating to space
relating to water
relating to earth
relating to air
What element is essential for cellular respiration for all aerobic organisms?
hydrogen
oxygen
nitrogen
carbon
Plants maintains the ozone layer that helps protect Earth’s life from what dangerous matter?
carbon dioxide
biogeochemical processes
oxygen
UV rays