Answer:
The answer is A. Chemical
Explanation:
Have a nice day
Movement of molecules from an area of higher concentration to one of lower concentration is called Diffusion
Answer:
63.546
Explanation:
The Average atomic mass is calculated using the formula:
sum of the product of the atomic masses and their relative abundances all divided by 100 or total abundance
Answer:
20 neutrons
Explanation:
(not really any just look at a periodic table)
