A structure made up of two or more kinds of tissues that perform a special functions is an organ.
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Amphetamines are stimulant drugs. They make the messages between your brain and body move faster. As a result, you are more alert and physically active. Some people use amphetamines to help them stay awake on the job or to study for a test.
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Answer:
Oxygen is one product of photosynthesis.
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??? is the fifth?
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Long-term sunlight exposure is known to be associated with the development of some types of skin cancer, skin aging, immune suppression, and eye diseases such as cataracts and macular degeneration.
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