Hi!
Magnetic force is a non-contact force.
Answer:
i think the first one, Kelp forest act as ecosystem engineers
Explanation:
if im wrong im sorry
Im like 98% sure its B because ultra sounds hear the frequency's of the baby in the womb
Answer:
11) A. The optimum pH of an enzyme is 6.6
12) C. A control group
The mitochondria breaks down food into molecules the cell can use.
