Question

plz it's emergency ​

Answer 1

Answer:

option d. is the answer

Answer 2

Answer:

Option A

Explanation:

This is due to the anamoulas expansion of water. As the temperature of water decreases, it density decrease as normal but after 4°C, it starts expanding. As it expands when nearing zero, the ice starts floating on the surface,the fish living in the 4°C water underneath it.