History of the Cell Theory: In the mid-1800's three German scientists made discoveries that led to the, which states:
1.
2.
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stratosphere: as the altitude increases, the air temperature increases. the stratosphere has a layer of ozone, called the ozone layer. this layer absorbs most of the ultraviolet radiation from sunlight. this results in the stratosphere being warmer.

meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.

c. the initial amount of money placed in the savings account

well the answer is 2!