Which of the following substances must enter the cell through the cell membrane for the cell to live? a nutrients
b carbon monoxide
c urea
d carbon dioxide

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

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some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.