In active transport, materials move from an area of high concentration to an area of lower concentration (goes down the concentration gradient) and it requires or uses energy in the form of ATP (adenosine triphosphate)
Hello there ^ _ ^
I believe the answer is : A - Evolution
Good luck!
Because we have carbon in the ground in the air and every were else
Sexual intercourse. The developing of the female egg cells and the production of sperm cells
Answer:
http://mairscience.weebly.com/uploads/5/7/8/8/57880837/8th_grade_key_2015_sol_released_test.pdf
Explanation:
