B is the correct answer.
The exosphere is the outermost region of the atmosphere the gradually merges out into space. The water cycle does not occur within this region.
Answer:
The mass number is defined as the total number of protons and neutrons in an atom.
Explanation:
Answer:
You would get 19.969 moles
Explanation:
Substances that exist in solution almost completely as ions are called strong electrolytes. Therefore, the answer is C.