B:2 it is measured by the crest of the wave or as I say the top of the wave
I’n pretty sure the answer is supposed to be about the tectonic plates. The plates constantly shift the land creating holes/dips in the earth and mountains in other places.
Body organs can be interrelated with other organisms since they are somehow morphologically and physiologically the same.
1. Brain, the brain for most animals are the same, serves the function the same and acts for the many functions of an organism, similarly. This vital organ plays on action-response behavior, management and primal survival instinct, although somehow it's different in structure from the other organisms.
2. Stomach, is an organ wherein the food that is taken in from mouth or opening of a cavity is stored for a short time and is prepared for digestion and metabolic process in the digestive tract or G.I. tract.
By mating with desired traits is your answer
