Answer:
That our actions don't affect just us. Our actions can affect others around us and then those people around them and so on, thus, "The Butterfly Affect".
Explanation:
I’d go with c)
This is kind of controversial currently because there are different defintations of language but poplular opinion is tools first. Think apes are using rocks to open shells or something before they really communicate.
Size of brain definitely increased tho
Answer:Yes
Explanation:
Binary fission is a type of asexual reproduction where a parent cell divides, resulting in two identical cells.
The pulmonary vein differ from the other veins in the body because it carries oxygenated blood whereas other veins carried deoxygenated blood
Which means that the pulmonary vein carried out the blood to the entire body as a source for metabolism
hope this helps