97%; only 3% of earths water is fresh and safe for living things to consume.
The moon's volatile elements evaporate early in the moons history do to violent impact.
<span>Factors contributing to the west ward expansion of the United States include the discovery of gold, the Homestead Act, and the desire for adventure, land and riches. The answers are the third, fourth and fifth statements among the choices that you have included or posted.</span>
The answer is A
It will increase in wavelength. It will decrease in speed.
