Concrete is formed through sand, rocks, cement, water. do the materials have the same properties as the end materials?

All businesses can discriminate against workers based on a nation of origin b. immigration status c. mental disability d ane

The personal identification number that students need to apply for federal student aid

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.