Why are cells generally so small? Select all of the answers that apply A. As they grow, their volume increases faster than their surface area
B. As they grow their surface area increases faster than their volume
C. Moving nutrients across their cell membranes is more efficient
D. Moving waste materials across their cell membrane is more efficient

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?