Well, Assuming that this is the same multiple choice question that I have answered, I would say B. Chromosomal Disease.
Explanation:
A normal blood pressure level is less than 120/80 mmHg. No matter your age, you can take steps each day to keep your blood pressure in a healthy range.
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.
Here you go
I don't like mechanical Weathering.
Mechanical weathering makes me sick.
Hope that helps
