Answer:
D
Explanation:
it has to be D because its talking about "how does a volcanic ash affect water systems"
Get nonperishable foods, water bottles, flash lights, blankets, things like that.
The primary role of hydrochloric acid is to sterilize the food you eat and to prevent harmful bacteria from entering the GI tract. HCL also triggers the release of enzymes such as pepsin which are essential for the digestion of protein.
The answer is:
C) Skeletal muscles are an example of voluntary muscle
Hope this helps.
I believe the answer to this is B
