Explanation:
4 is the correct answer if it helps you then plzz mark me brainliest
Answer:
We ruin the ecosystem with pollution, littering, habitat destruction, and extinction of the wildlife.
Arruinamos el ecosistema con la contaminación, la basura, la destrucción del hábitat y la extinción de la vida silvestre.
Because the rib muscles and diaphragm contract,increasing the lung volume
D. specialize cells perform specific functions in the body