You are standing 1 meter from a squawking parrot. if you move to a distance three meters away, the sound
intensity will be what fraction of its original value?

The functioning of an electron transport chain is analogous to a) a slinky toy going down a flight of stairs. b) a canoe going over a waterfall. c) a person climbing a flight of stairs one step at a time. d) a person leaping from the top to the bottom of a flight of stairs in one jump.

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Which component of the earth’s atmosphere is decreased due to photosynthesis?