Which statement best describes the exosphere? It is the layer where we observe lightning. It extends down to sea level. It is the place where meteors burn out. It is the last layer of the atmosphere before space.

It is the layer where we observe lightning. It extends down to sea level. It is the place where meteors burn out. It is the last layer of the atmosphere before space.

The mesosphere is a layer of Earth's atmosphere. The mesosphere is directly above the stratosphere and below the thermosphere. It extends from about 50 to 85 km (31 to 53 miles) above our planet.

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Explanation:

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after a the power stroke, adp is released, but the cross-bridge formed is still in place. atp then binds to myosin, moving the myosin to its high-energy state, releasing the myosin head from the actin active site.