Asap how do surface and deep currents work together to cause ocean water to circulate?

If the mass of the products measured 120g what would the mass of the reactants a. 30g b. 60g c. 120g d. 240g

Why does a cake rise when you bake it? ♡

Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore