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Earth Sciences

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Howell Green

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Cards in this guide (9)
The turning or spinning of a body on its axis is known as

rotation

What are the main sources of meteoroids

1. Interplanetary debris that was not gravitationally swept up by the planets during the formation of the solar system.

2. Material from the asteroid belt.

3. The solid remains of comets that once traveled near Earth's orbit.

The total number of eclipses each year does not exceed

7

What characteristic distinguishes Neptune from the other planets

Neptune is extremely windy.

What do greenhouse gases contain

The earth's atmosphere contains trace gases, some of which absorb heat. These gases (water vapor, carbon dioxide, methane, ozone, and nitrous oxide) are referred to as greenhouse gases.

Increased altitude generally causes lower what

Tempartures.

Temperatures*

Savage ^

What does the sun consume to produce energy and helium

Hydrogen! :)

What is earths axis slowly but continuously points in different directions known as

I think you are referring to a phenomenon called Nutation.

What natural warming of both earth lower atmosphere and the earths surface is the blank effect

greenhouse effect

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