How are refraction and diffraction similar? how are they different? check all that apply

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.

Which of the following does the reading test of the sat ask you to do ?

Whats begin with t, ends with t has t in it