A geographer studies the elevation of mountains in France of the following is not an example of a study within human geography
<span>The most approprate answer is a. water. Although over 70% of the earth's surface is water, only a small percentage is fresh water that is suitable for domestic purposes. The high rate of pollution and the over use of groundwater resources can use water faster than it can be replenished. Some rivers and lakes can become so polluted that they cannot be used for domestic or even agricultural purposes. </span>
The statement; “The comet cools down and begins to glow brightly as a result of this decreased temperature.” is considered false. Study shows that comets can be seen because their comas and tails reflect the light from the sun or would usually glow as they absorb energy from the sun. Comets are provided with energy from the Sun , so its movement is always away from the Sun.
After all ice caps have melted and the polar bears drown, and the coastal cities are all underwater, Al Gore will ride a spacecraft to the Moon or Mars and inhabit there and tell everyone I told you so...
The main mechanism through which the layering happened is gravity: it pulled the heavier, denser material to the center, leaving the less dense material on the surface.
The material that was on the outside cooled quicker, but this was the result, not the cause.
The answer is
<span>2) Gravity caused more-dense material to move toward the center of each planet.</span>