Answer:
the first one which is A
Explanation:
the burning of fossil fuels causes both air pollution and water pollution

28%
Explanation:
mass of solute(KBr) = 3.73g
mass of solvent(H2O) = 131g
mass of solution = mass of solute + mass of solvent
= 3.73 + 131
= 134.73g

C) Sliver Carbonate AgCO3
and D. to identify minerals
Answer:
Because the molecules have not been in water so they are not moving around each other
Explanation: