If my dog keeps bitting me what should i do? 1: smack him 2: yell at him 3: call for 4 go to the vet

Explain how earth is like a giant bar magnet. how is our magnetic field made?

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.

Asking questions when something is unclear is part of?