Answer: These changes can be caused by environmental factors such as ultraviolet radiation from the sun, or can occur if an error is made as DNA copies itself during cell division. Acquired mutations in somatic cells (cells other than sperm and egg cells) cannot be passed to the next generation.
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C. Sliding friction between a desk and the floor once it is moving
The answer to this would be a quartz.
Quartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO₄ silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO₂
so that is why quartz would be the best be carried in solution by a stream.
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<span>Building close peer relationship to achieve acceptance in society
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Explanation:
HIV virus is an RNA virus