Need a bit, ch that look like kim k but no plastic

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.

A24-n net force acts on a 8-kg rock. what is the acceleration of the rock?

Tissues that carry food water and nutrients throughout the plant