C. animal actions
Others are chemical examples.
The appropriate response is Mountain ranges. It is a progression of mountains or slopes went in a line and associated with high ground. A mountain framework or mountain belt is a gathering of mountain ranges with closeness in shape, structure, and arrangement that have emerged from a similar reason, as a rule an orogeny.
Most insects are herbivores in a stage of their life, but most of the time later on they because omnivorous (plant and meat eater) so therefore they don't stay herbivorous for long. Also, most herbivorous insects get eaten quite often.
Glands is one of the possible answers
