I think it’s B I’m not for sure
Answer:
active transport require energy to move molecule across a cell.
Explanation:
Answer:
When oestrogen rises to a high enough level it causes a surge in LH from the pituitary which causes ovulation where an egg is released from the follicle (Day 14 of the cycle). The follicle becomes the corpus luteum and this produces oestrogen and progesterone which inhibit FSH and LH production by the pituitary.
Explanation:
Answer:
I think the answer is B, Rivers. Mountain ranges don't really help the environment much as can mostly only change the climate.
Answer:
Because of using fossil fuels nowadays it is used to air pollute the earth causing global warming.
Explanation: