Which of the following describes aggregations? a)porous marine invertebrates who pull water through their soft bodies in order to obtain
oxygen and nutrition

b)random fish in the same location, such as fish feeding in the same area of a kelp forest or coral reef

c)highly organized groups of fish, which swim in the same direction, at the same speed, and generally spaced evenly apart

d)groups of fish formed when fish loosely adjust their swimming to be near other fish, usually of the same size and species

It explains why rocks appear in layers

The product of 5 rational numbers is positive. at most "five" of these rational numbers can be negative.hope my answer has you : )

Have you noticed any bruising or bleeding? " glucosamine and chondroitin are dietary supplements commonly used to treat osteoarthritis. both glucosamine and chondroitin may increase the risk of bleeding. anticoagulant therapy is indicated for patients with atrial fibrillation to reduce the risk of a thromboembolism and a stroke. use of glucosamine and chondroitin along with an anticoagulant may precipitate excessive bleeding. glucosamine may decrease the effectiveness of insulin or other drugs used to control blood glucose levels, and hyperglycemia may occur. peripheral neuropathy symptoms that can develop with prolonged hyperglycemia include numbness and tingling in the feet.