Exchange of nutrients occurs in the digestive system. Exchange of oxygen occurs in lungs
Plants give off oxygen (that we breathe)and breathe in our carbon dioxide that we exhale
(I'm not 100% positive on this) Dinosaurs, many chickens and birds are related to dinosaurs
Detrital<span> or clastic </span>sedimentary rocks<span> are composed of</span>rock<span> fragments. They are different than </span>chemical sedimentary rocks<span>, which are composed of mineral crystals. Learn how these </span>sedimentary rocks<span> differ in their formation and composition.</span>
