7. True or False. Wind erosion continually changes the landscape. * 8. Which of the following is NOT a correct description of air movement over the Earth?*

A. The sun warms the land in the air evenly

B. Air is warmers at the pools of the Earth

C. Warm air rises

D. Cold air sinks

That's a difficult question, but I would choose either A or B.

Explanation:

Since the question is talking about MOVEMENT over the earth. C and D are talkig about how the air sinks or rises, so you can cancel those out, hope this helps a little! ❤

explanation:

the fossil record extends back to a dog-like ancestor some 55 million years ago, which gave rise to the first horse-like species 55 to 42 million years ago in the genus eohippus.

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.