Answer: A. glucose and oxygen, which are essential for cell respiration in plants and animals.
Explanation:
Answer:
Instead, the Moon's phase depends only on its position relative to Earth and the Sun. The Moon doesn't make its own light, it just reflects the Sun's light as all the planets do. The Sun always illuminates one half of the Moon.Earth's shadow cast on the Moon.
Explanation:
Regulatory proteins control the cell cycle.
If the regulatory proteins are malfunctioning or absent, the cells may reproduce abnormally fast, causing a tumor.
Answer:
hi, option C is correct, 75% of the earth is covered in water.
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