1) Why do you think the researchers chose to focus on outings in which the dogs followed different paths when leaving their owners and returning? 2) Why was it important to examine whether dogs used other clues, like landmarks or wind, to find their way?

Isolated volcanic peaks on the ocean floor are

How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?

The two main stages of cell division are called