Answer:
A) Blood pressure measures pressure on the arteries and can be an indicator of an unhealthy cardiovascular system.
Explanation:
Blood pressure is the amount of pressure that the blood puts on the arteries as it flows through them.
Answer:
A reaction that joins the nuclei of two atoms into one
Explanation:
Think of the words "nuclear fusion".
Nuclear = "relating to a nucleus"
Fusion = "joining"
So, nuclear fusion is the joining of two nuclei into one.
A and B are wrong, because chemical reactions involve electrons.
D is wrong, because the splitting of a nucleus is fission.
Well, the cell would be out of energy! The mitochondria plays a very important role in cell functions. With out it, it cannot do whatever job that needs to be acquired.
The answer to this is the remains and waste products of plants, animals and other living things organisms.