Ii) Distinguish between temporary and permanent hard water?

Explanation:

temporary water is call carbonate hardness

parmanent water is call non-carbonate hardness

Temporary hardness is caused by the presence of dissolved bicarbonates of calcium, magnesium, and other heavy metals and the bicarbonates of iron.,The salts responsible for temporary hardness are Ca(HCO3)2 , Mg(HCO3)2

Permanent hardness It is due to presence of dissolved chlorides and sulphates of calcium, magnesium, iron and other heavy metals

they all get energy from eating other animals, dead animals to be more precise.

hienas tends to steal pray from other animals. crows and vultures tend to eat dead animals and leftovers.

hope it ,

bioteacher101