The body's blood sugar levels will go down throughout the day, so you feel hungry because of that. Then you eat food to replenish your sugar levels and you don't feel hungry anymore. That is your body balancing itself.
Answer:
The average decline in overall amphibian populations is 3.79 percent per year, though the decline rate is more severe in some regions of the U.S., such as the West Coast and the Rocky Mountains. If this rate remains unchanged, some species will disappear from half of the habitats they occupy in about 20 years.
Explanation:
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Answer:
Impotence, which is another word for erectile dysfunction, simply refers to difficulty getting or keeping an erection that's firm enough for sexual activity. Sterility or infertility means that the body doesn't produce “good” sperm—that is, not enough sperm are produced, or the sperm don't function as they should.
<h2>Answer:</h2>
Option C is the correct answer.
C.The water molecules are repelled by the lipid tails of the cell membrane, but the carbon dioxide and oxygen molecules are not.
<h2>Explanation:</h2>
Lipids has two distinct portions. The heads of lipids are (Hydrophilic) and the tails of the lipids are (hydrophobic). So, as the tails of the lipids are hydrophobic i.e. water hating so they do not allow water molecules to pass from, while allow molecules of carbon dioxide and oxygen.