Answer:
im not very smart but i think b or c
Explanation:
The density, of a substance is its mass per unit volume. basically is mass so its one of the two. i hope i helped! <3
I think it's cardiovascular, sickle cell I think you have to be born with, and celiac is an allergy to gluten
Answer:
This is also true
Explanation:
Lactic acid is a normal byproduct of muscle metabolism, but it can irritate muscles and cause discomfort and soreness. Muscle soreness associated with exercise is known as delayed onset muscle soreness or DOMS.
An introvert, because she likes to keep to herself.
