Answer:
Endothermic reactions are reactions that require external energy, usually in the form of heat, for the reaction to proceed. In order to melt the ice cube, heat is required, so the process is endothermic. Endothermic reactionIn an endothermic reaction, the products are higher in energy than the reactants.
Explanation:
Answer:
Oceans
Explanation:
Using their ocean currrents
Physical isn't so chemical
Answer:
Potassium selenide
Explanation:
Potassium selenide (K2Se)
Answer:
C - Wind
Explanation:
its C or wind because global wind systems control the surface water