Which of the following statements describes and interaction between the atmosphere and the biosphere? A. Water and its vapor move through the air.
B. Earth’s internal heat warms the layer of air around it.
C. Oceans provide and environment for sustaining marine life.
D. Life is possible on earth due to the layers of air that surround it.

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?