Environmental catastrophes can cause changes to the earth’s surface. t f

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.

a.indigo and cochineal

b.animal hides

c.silver and gold

e.cacao beans and sugarcane