Why do you think that seas are home to the greater biodiversity than oceans?

as sea have less salt water and ocean water is more salty.

plant, animals and other bacterias etc are able to live in normal wastes having equal amounts of all salts.

so they prefer to live in seas, that is why seas contain more diversity

if he does not use open the compass the a width greater than half of po, he will not be able to find the midpoint of the line, without the midpoint of the line, he will not be able to bisect the line.   to find the midpoint of a line the circles drawn with a compass must either intersect or be touching.