Please help me with these

Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.

What equation is used to calculate the weight of an object on a plant ?

Directions: count the number of atoms. ar co2 na3po4 so3 nac2h3o2