As Earth rotates, different parts of Earth receive sunlight or darkness, giving us day and night. Since different parts of Earth enter and exit daylight at different times, we need different time zones. In the late 1800s, a group of scientists figured out a way to divide the world into different time zones.
Answer:
The brothers have different alleles.
Explanation:
They contract to move the body ok thanks and bye
The Ovaries produce hormones, that trigger menstruation. They also release one egg each month for possible fertilization.
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