Answer: A
Explanation: gravitation keeps moon in circular orbit.
Without gravitational force Moon would move in
Linear path.
Answer:
Instead of a brain, echinoderms have a ring of nerves located around their mouth area that governs their nervous responses. This ring coordinates their motion, their eating, basically anything that requires nerve control.
Explanation:
D hurricanes makes the most sense because lightning isn't and blizzards have nothing to do with ocean waters and tornadoes only occur inland.
<span>The whole brain is not gray matter, just the surface of it and parts of the interior, and there is other gray matter in nerve tissue along the spinal column. </span>
