The correct answer is C. humans
Language is an advanced system for communication available only to humans. Dolphins, chimps, and bees, use other means to communicate, but it is not a language, it's mostly things like smells or pheromones or similar things.
C precipitation because if you look at the diagram, you will see it is raining on the mountains.
I take this class so the answer is A single stranded dna molecule serves as a template
