Static Friction, Sliding Friction, Rolling Friction, and finally Fluid Friction.
The answer is B because isotopes have the same number of protons and neutrons.
Answer:
A. 1 = 3 - 2
Explanation:
What defines an expression?
expression - An expression is a sentence with a minimum of two numbers and at least one math operation. This math operation can be addition, subtraction, multiplication, and division.
So if we look at the letter options we can see that A is the best choice.
