Classify the sentences based on the chemical reactions they describe.

What is the mass of the same rock on the earth

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.

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.