I’m pretty sure the answer is agar.
Adp I think. don't hold me to it
Answer:
Atoms
Explanation:
Atom is the most basic unit of matter. Atoms are used to describe pieces of matter, but a different kind of atom makes up an element. A combination of atom of different elements creates a molecule. Let's say you have some water, the chemical formula is "H20." If you wanted to separate H and O, that gives you two atoms. H would be Hydrogen and the other atom is Oxygen. So when we combine these two atom they formed as the chemical formula H20.
Question 1: The correct answer is A.
Question 2: The correct answer is C.
I hope that helped! c:
Dissolved gasses under lots of pressure are being trapped in the magma, these expanding gases and steam are what causes it. Also, because of this heat getting more and more hotter, and the volume being lost due to the gasses over time the lava bursts out.