Answer:
A. Whatever is in the water, it moves. Even if a block is placed in there, it would move by sinking to the bottom. If a plastic bag was placed in there, it wouldn't sink but move a little.
Answer:
Chemical reactions often involve changes in energy due to the breaking and formation of bonds. Reactions in which energy is released are exothermic reactions, while those that take in heat energy are endothermic.
Explanation:
The main characteristics of glass are transparency, heat resistance, pressure, and breakage resistance, and chemical resistance.
CrO as we need to find the empirical formula (simplest formula) not molecular formula
