Question

Cold water _________ than warm water.
Has lower salinity
Has higher salinity
Is lees dense

Answer 1

a is the answer I think

Answer 2

Has lower salinity

Answer 3

Depends what type of "cold" water you are referring to

Answer 4

Salt water

Answer 5

Water bottle cold water or shower cold water

Answer 6

ocean cold water
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Answer 7

Hmm... Hard to decide

Answer 8

Antarctica is known to have zero bacteria

Answer 9

Although warm water does kill them also