Answer:
if we want to find force by using newton's law equation ( f = ma ) we have to use mass and acceleration not velocity ,but in this question they did not mention about acceleration but speed so the answer is D
The blood then carries oxygeb around the body which this helps us to breath around the body this process happens again
The rocky object orbiting in space is most likely referred to as an asteroid.
<h3>What is an Asteroid?</h3>
This is referred to a rocky object which revolve around the sun and are considered too small to be called a planet.
Asteroids was observed with the use of a telescope and is around 250 km wide thereby making it the most appropriate choice.
Read more about Asteroids here brainly.com/question/11996385
I learnt this in chemistry but... relative abundance tells us the percentage of how much that certain isotope occurs in nature.