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A parcel of air that is shoved upward into atmospheric air in a state of instability will expand and become cooler

What is the condition of Earth’s atmosphere at a certain time and place?

Cloud droplets merge and fuse with millions of other droplets to form large raindrops. This process is called

Water evaporating from the oceans is salty.

Dense, high salinity water from the Atlantic Ocean flows into the Mediterranean Sea, making it one of the saltiest seas.

Ocean currents are generally driven by

Measurement of the salts dissolved in seawater taken from various locations throughout the world shows that seawater has a

Clear, fair weather is usually associated with a

When a warm air mass advances over a mass of cooler air, towering cumulus clouds form, often resulting in thunderstorms.

Plant life in the upper, sunlit water tends to reduce the concentration of carbon dioxide and increase the concentration of dissolved oxygen gas.