That gas is called carbon dioxide.
:P
Or also short for CO2
Animals react to how they feel certain things. If they don’t feel comfortable around them because they aren’t suited to their surroundings, they will feel alert and scared. For example: a green snake can hide in trees and blend in. But if that snake isn’t with a suited area, he will most likely get attacked, because he can’t blend in.
So natural selection plays a big part on how animals react or behave because animals may or may not be suited to their surroundings.
Answer:
Heart Attack or Sudden Cardiac Arrest: How Are They Different? People often use these terms interchangeably, but they are not synonyms. A heart attack is when blood flow to the heart is blocked, and sudden cardiac arrest is when the heart malfunctions and suddenly stops beating unexpectedly.
hope it helps please mark me brai-
well you know what i mean : )
Explanation:
DNA replication occurs in the synthesis stage and is followed by the gap 2 stage