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What are the distinguishing characteristics of the mesosphere?

Answer 1

Nova Anderson

The mesosphere is a layer of Earth's atmosphere.

The mesosphere:

is directly above the stratosphere and below the thermosphere.
extends from around 50-85 km above our planet (31-53 miles)
possess temperatures that decrease with height throughout the mesosphere
contains strong zonal winds (east-west), atmospheric tides, planetary waves, and gravity waves.

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Answer 2

Isaac Abel

The mesosphere is characterized by decreasing temperatures with altitude, ranging from about -85 degrees Celsius (-121 degrees Fahrenheit) at its lower boundary to around -90 degrees Celsius (-130 degrees Fahrenheit) near its upper boundary. It is the layer where meteors burn up upon entering the Earth's atmosphere.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.