Answer: The “graying of America”
Explanation: Just took the test
Answer:
Coal is a fossil fuel. It comes from the remains of plants that died about 100 to 400 million years ago. Coal is a non-renewable energy source because it takes millions of years to form
Hello!
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The answer to your question is "asthma".
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In its earliest medical application, the herb from which amphetamines are derived was used as a treatment for asthma.
:)
<span>Amylase needs an optimum pH for its activity. It is in the range of 6-7. Below or above pH will denature this enzyme. The pH level is optimum for this enzyme in the mouth and hence it catalyses the break down of sugar. The pH level of stomach is lower than its optimum level duet to the activity of gastric acid. Hence the enzyme becomes inactive in the stomach.</span>
During a lunar eclipse, the Earth gets in between the sun and the moon
