Answer:
The three parts of the cell theory are: cells are the smallest unit of life; all cells come from preexisting cells; and living thing is made up of one or more cell.
I'm pretty sure the answer would be A. Chromosomes contain one or more genes.
Answer:
Will eating too much fat in food cause brain cancer?
Explanation:
A good scientific question is one that can have an answer and be tested. Avoid how and why questions.
The answer is D, tissue. A group of cells makes a tissue and tissues make organs, joints, and connections.