Why does ice stay at the top of oceans instead of sinking to the bottom?

Ice is colder than liquid water.

Ice is warmer than liquid water.

Ice is more dense than liquid water.

Ice is less dense than liquid water.

Question

Why does ice stay at the top of oceans instead of sinking to the bottom?

 Ice is colder than liquid water.

 Ice is warmer than liquid water.

 Ice is more dense than liquid water.

 Ice is less dense than liquid water.

anonymous · Answer

Ice is less dense than liquid water because it has less mass per unit of volume. Temperature wouldn't have an effect. Therefore, D  (ice is less dense than liquid water) is your answer. 

Hope this helped!

anonymous · Answer

Yes, it did that makes so much sense. I understand now. Thank you so much!