A student sits on her foot for 15 minutes and when she stands up she does not have any feeling in her foot. This is because she has cut off the blood supply to her foot by sitting on it. This directly affects which body system? A
Digestive
B
Immune
C
Nervous
D
Circulatory
.

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?