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timofeeve [1]
2 years ago
11

When a cold front is approaching, what happens?

Biology
1 answer:
lutik1710 [3]2 years ago
3 0
Answer is c.

Warm air rises, cools and causes rain and thunderstorms

Warm air rises!
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The given statement is TRUE.

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In nature, there is a strange phenomenon when a tree or bush may suddenly and silently begin to ripen all of its fruit or veggies. This is the first instance of a beneficial biological feedback loop we've found. If we see an apple tree with many apples, they all appear to ripen over night, going from being unripe to ripe to overripe. The first apple to ripen will mark the start of this. It releases ethylene (C2H4) via its skin when it is ripe. The apples nearby ripen as a result of being exposed to this gas. As soon as they are ripe, they too begin to generate ethylene, which continues to ripen the rest of the tree in a manner akin to a wave.

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