How does global warming affect sea level? A)

It causes the sea level to rise.

B)

It causes the sea level to rise, then fall.

C)

It causes the sea level to fall.

D)

It causes the sea level to fall, then rise.

A)  It causes the sea level to rise.

Explanation:

Global warming rises the global average temperature, melting the polar ice caps and releasing huge amounts of water into the ocean. Hence, as more and more water is released into the ocean, the sea level rises.

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A warming climate can cause seawater to expand and ice over land to melt, both of which can cause a rise in sea level.

Explanation: First, as the oceans warm due to an increasing global temperature, seawater expands—taking up more space in the ocean basin and causing a rise in water level.