Answer:
B or C i think
Explanation:
because Eons are broken into eras and then into periods. Its not A tho
So all we know is that the student stated something ("<span>if plants are added to an indoor environment the air quality will improve
"). This is only a statement - it's not a test whether this statement is true yet.
So the correct answer is: it is a hypothesis.
</span>
Idk if i'm right but saturated?
We are not born with the carbon atoms we will need for our entire life.
They prefer to eat them because they don't want what is in other foods