Unlike fishes with bony skeletons, a shark's skeleton is made out of cartilage. ... Sharks, rays, skates, and chimaeras (also know as rat fishes) all have cartilaginous skeletons.
Answer:
C
Explanation:
Because a longer life will allow more people to make social contributions that will potentially benefit others.
Answer:
Decay adds carbon to the atmosphere.
They all keep the plant alive and healthy! rawr XD
