Note at least three surface features that are driven by plate ...

[Marty]

Note at least three surface features that are driven by plate tectonics.
 
  What will be an ideal response?

Question 2

Our understanding of the solar system has come in a way that can best be described as:
 
  A) constant since prehistoric times.
  B) slow and steady since the discovery of the telescope by Galileo.
  C) erratic, with spurts when new planets were found.
  D) steady until the last decade, when the decline in the space program slowed it a great deal.
  E) explosive, with us learning more in the past few decades than in all previous history.

[kaylee05]

Answer to Question 1

Rift valleys, trenches, mountain ranges, volcanic chains, faults, etc.

Answer to Question 2

E

[Marty]

Thanks for the timely response, appreciate it

[milbourne11]

Gracias!