Help please!! I need help quick it’s my final I can’t fail

Explain how the density of ocean water is affected by temperature and how this results in major ocean currents distributing heat away from the equator toward the poles?

Blank is a naturally occurring gas that's found in most soils and rocks and can cause lung cancer

Need answer select the correct answer. what was one of the first countries in the region to be claimed by european colonizers? a. myanmar (burma) b. thailand c. laos d. the philippines