Sebum is odorless, but its breakdown by bacteria can produce strong odors. Sex steroids are known to affect the rate of sebum secretion; androgens such as testosterone have been shown to stimulate secretion, and estrogens have been shown to inhibit secretion.:
Explanation:
The purpose of scientific notation is to demonstrate very large or very small numbers, this is what it looks like, 7800000000000 in scientific notation would be 7.8*
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Neither matter or energy is created or destroyed, it is simply reused.
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Answer:
B im sorry if im wrong i really don't know
Explanation: