In ethical terms, when you have the right to do something it means

d is the correct answer.

b is incorrect because it makes food by itself

c is incorrect because us humans don't know how to produce their own food using the sun like plants.

a is incorrect because consumers can depend on carnivores for eating food for consumers to eat the dead organism. same thing with omnivores.

answer; ///he could not explain why the continents drifted;

answer; product market;

answer; racism;