Answer:
The stratosphere is a layer of Earth's atmosphere. ... The troposphere, the lowest layer, is right below the stratosphere. ... Because of this, jet aircraft and weather balloons reach their maximum operational altitudes within the stratosphere. ... from the bottom of the stratosphere up to altitudes of 40 or 50 km (25 to 31 miles).
Explanation:
OK so basically the ice age had occurred during the Pleistocene it was about 2.6 billion years ago
Nonpolar fatty acid chains prevent organisms from dissolving in water.
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