Answer:
A. Sediment
Explanation:
As water flows, it both breaks down rocks and picks up soil. When the pieces of rock and soil are travelling in water, they are called sediment.
Answer:
The answer to the first question should be b.
Explanation:
Throughout your body, minerals help build bones and provide structural support. In your mouth, calcium helps harden your enamel and strengthen your jawbone. Hope this helps!
Answer:
A properly designed buffer of trees and shrubs can reduce noise by about five to ten decibels — or about 50 percent as perceived by the human ear, according to the USDA National Agroforestry Center
Explanation:
I’m unsure how to answer this because I don’t know
How much bacteria there was
What bacteria it was
And what the conditions of the bacteria are
This chart is from Dr. Jason from the math forum
http://mathforum.org/library/drmath/view/64555.html hope this helps!