Answer:
B
Explanation:
carbon 12 is most useful to humans
··hydrogen peroxide if its wrong sorry i didnt pay atention much but i do remember the elemants being hydrogen peroxide and oxygen and copper so ya ω
Answer:
Element Atomic Number One number you will find on all periodic tables is the atomic number for each element.
Explanation:
<em>hope it helps :))</em>
Salt makes the freezing point of water decrease, so it would freeze at a warmer temperature than regular water
the second statement is the correct one quarks are needed to balance charges in all subatomic particles such as neutrons, protons and electrons
