Answer:
Atmospheric pressure decreases with the increase in altitude.
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You put this in the wrong category, but I will still help...
Number 1: 20 centimeters( just look at the graph)
Number 2: I am guessing 40 centimeters. I think you are calculating how long it took your bug to reach point B...
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Answer:
The correct definitions are a, c and d
Explanation:
The definitions of system, heat energy and chemical energy are correct but the definition of surrounding is not correct.
LOTIC ECOSYSTEMS, CONSISTING OF RIVERS AND MAINSTREAMS, FREE-FLOWING WATER.