How often should you check the batteries the smoke detectors in your house? A.
When they start beeping
B.
Every six months
C.
Every year
D.
Every five years

answer; i believe that the correct answer is (decreased)

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; obscene;