B, cold with a high salt content, I believe.
Since density is mass divided by volume, adding salt would increase mass.
Temperature is related to kinetic energy and the distance between molecules/atoms of a substance. The hotter the substance, the more distance there is between particles.
Generally cold water is more dense. Hope i helped :D
Answer:
delayed growth, episodes of pain, painful swelling of hands and feet, vision problems, frequent infections
Explanation:
Im pretty sure your answer is b.
When a vessel capsizes, first thing is to check the safety of everyone.
You need to do a head-count to ensure that all passengers of the vessel are there and then make sure that they are all wearing life-jackets.