Acomputer model can simulate the aspects of viral reproduction quite well; however, microscopic observation of actual viral reproduction can improve understanding because actual observations
a. may reveal greater unknown complexities.
b. are easier than a computer model to view.
c. are the same each time.
d. may provide reproduction events in sequence.

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?