Orographic uplift is best described as a. warm, moist air rising over cold, dense air b. two airflows colliding head on c. air being forced upward d. airflow confronting a mountain barrier, causing the air to rise

D. Airflow confronting a mountain barrier, causing the air to rise

Explanation:

Orographic uplift occurs when air of lower altitude rises over a mountain. This phenomenon occurs due to the rising terrain. This generally raises the humidity to almost 100 percent which creates clouds and sometimes precipitation.

This phenomenon is observed at almost all the mountain ranges of the world.

a) are muscles that have bands.

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