The answer is; Evaporation and condensation
When water turns from a liquid phase in the oceans to gas (water vapor) in the atmosphere, this is called evaporation. When the water vapor (gas ) cools in the cooler upper atmosphere to water droplets (that form clouds), this is called condensation. Evaporation is an endothermic process while condensation is an exothermic process.
Any type of terrestrial land plant and some aquatic plants too (since you mentioned that it isn't motile)
Answer:
I think that the answer is c. If not then it is probably d or a.
