Answer:
Explanation:
The speed of sound in the air mainly depends on temperature. At high altitudes, where it is much colder, sound travels slower. The higher the temperature, the faster the air molecules are moving to begin with, and the quicker they bump into each other as a sound wave passes through.
Answer:
I think they are all correct
It simply equals 4x-16.......
the expression is in lowest terms, so you can’t do anything else
The liver cells produce proteins to avoid blood clotting. They also break down old or damaged blood cells.
