What happens as you travel higher and higher above earth's surface?
a. the air pressure increases.
b. the amount of air decreases.
c. the amount of oxygen increases.
d. the quantity of meteors decreases.

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Based on the cause-and-effect relationship in this sentence, what is the meaning of the word revert? the brownies kali made using a new recipe were too dry, so she reverted to her original recipe. a) to alter or change completely; revise b) to dispose of or remove; to throw away c) to prepare for something; assemble or make d) to go back to a previous state or practice

Athesis statement can be controversial