What are the solutions of the equation x4 6x2 5 = 0? Use u substitution to solve.

Break down of rocks and minerals into smaller particles without a change in composition is called_

Which statements about the two fossil images are correct? 1. cave bears are ancestors of plateosaurus. 2. plateosaurus were present on earth before ostracoderms. 3. ostracoderms were the first to die. 4. plateosaurus died after the ostracoderms. 5. cave bears are the oldest fossils.

Essay on sustainable development of soiciety