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>
the answer i think be a area a has more predators then area b because if it was disease or lack of food source they wouldn't that low i think
Your blood also carries oxygen inhaled by the lungs. Your circulatory system delivers oxygen and nutrients to the other cells of your body then picks up any waste products created by these cells, including carbon dioxide, and delivers these waste products to the kidneys and lungs for disposal