Why was it difficult to restrain the crowd? [2]

cause i dont now they push

Explanation:

and just go to nothing

is there a answer choice?

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.