Answer:
adding water to an anhydrous compound forms a hydrate.
Explanation:
Physical Change because a new substance was not created and if it was a chemical change, a new substance would have to be created.
Neptune.
Because the size, mass, composition and rotation of Neptune and Uranus are very similar they're sometimes refered to as planetary twins.
<span>Decomposers and a few insects.</span>
Acid A, assuming the two acids have the same pH. The M stands for molarity which is how concentrated a substance is (basically the higher the molarity the more concentrated the acid is). However, pH refers to how acidic a substance is. If the two acids have different levels of acidity, the answer may be different.
