I guess the answer is C. muscular. I not really sure on this answer so :)
Im also stuck on this im down to A and C
Answer:
Lower gravitational force due to lower mass.
Explanation:
Mars has lower gravitational force than Earth because of its lower size because mass has a direct effect on gravitational force of an object. Earth has mass of 5.972 × 10^24 kg which is 10 times greater than mass of Mars which is 6.4171 x 10^23 kg. So due to earth's more mass, it has more gravitational force than planet Mars which has lower mass than earth.
The answer is c I just did the same test
Answer:
The aorta's four principal divisions are the ascending aorta. The smallest of the arteries eventually branch into arterioles.