The plus signs in the diagram above indicate the concentration of a particular pollutant that exists at each level of the food chain. What concept is being demonstrated by this diagram? A) Bioaccumulation B) 10% energy rule C) Biomagnification D) Food chain instability

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.

the earth is thought to have been formed about 4.6 billion years ago by collisions from a cloud of hydrogen, helium, rock, ice and other materials. these were pulled together by gravity to form objects in and around earth like- asteroids and small early planets called planetesimals.

so, the best possible answer to this question will be option d- to harden materials to form different parts of earth’s layers

density and pressure