Well, the current theory says that another planet hit the Earth early in the time when Earth was formed and the debris from this hit later formed the moon: so the best answer from the options is " c. from a portion of Earth" but even better option would be "from another planet that hit the Earth"
The pituitary gland is connected to the hypothalamus. The pituitary is a pea sized organ that controls hormones. What the hypothalamus does is control body temperature, thirst, hunger, and other homeostatic systems, and involved in sleep and emotional activity. The hypothalamus needs the pituitary to be active because the pituitary makes the decision of what people are feeling in their body, and the hypothalamus releases those feelings into the body.
Answer:
O To prevent certain ions and molecules from entering or exiting the celI.
Explanation:
The cell needs to keep a constant chemical composition on the inside in order to mantain homeostasis
Sex-linked diseases are passed down through families through one of the X or Y chromosomes. X and Y are sex chromosomes.
