The symbol for gold is Au
The female reproductive system produce egg cells and protect and nourish the offspring until birth. The male reproductive system produce and deposit sperm.
A bone marrow transplant is for
Noise is an example of an •environmental problem.• This is due to the fact that sound is not actually physical by touch, but rather in your surroundings; the snapping of a twig or the sound of an alarm going off. This is all things you can hear by your environment, or your 'surroundings'.
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