What major explanation did Charles Darwin provide? A) The idea of speciation was first proposed by him.

B) He explained how ​DNA​ is passed on but did not have evidence of it occurring.

C) He was the first to provide an explanation of evolution supported by evidence.

D) He explained how turtles adapted to their environment.

C) He was the first to provide an explanation of evolution supported by evidence.

answer: i cant find your answer. do u have another way i can answer it for you : )

explanation:

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.