Answer:
D
Explanation:
Because when you combine chemical substances they create a new substance unlike physical substances .
Answer:
Oh, you are supposed to look up the yearly temp, and yearly rain for a certain area. I did this before!
Answer:
To find out what water is made of, it helps to look at its chemical formula, which is H2O. This basically tells us that the water molecule is composed of two elements: hydrogen and oxygen or, more precisely, two hydrogen atoms (H2) and one oxygen atom (O). Hydrogen and oxygen are gases at room temperature.
Explanation:
Answer:
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Explanation:
A serial dilution is the stepwise dilution of a substance in solution. Usually the dilution factor at each step is constant, resulting in a geometric progression of the concentration in a logarithmic fashion.
