The symbol for barium and number of neutrons

A(n) is a molecule influences the way that a molecule reacts.

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 law of thermodynamics states that energy can't be created or destroyed. to natural sources of energy on earth are the