Diffusion.
diffusion acts passively, and the oxygen and carbon dioxide move to the area of lower concentration
Answer:
Mutations
Explanation:
A gene mutation is a permanent change in the DNA sequence of a gene. Mutations can occur in a single base pair or in a large segment of a chromosome and even span multiple genes. Mutations can result from endogenous (occurring during DNA replication) or exogenous (environmental) factors.
When the arteries harden!
Answer:
Good Quality of Life
Explanation:
the sounds like the only benefit.
Answer:
True
Explanation:
I learned this in my health class. The teacher explained it. We literally had a test about this last week