Deep-ocean trenches and volcanic arcs result from the collision ...

[humphriesbr@me.com]

Deep-ocean trenches and volcanic arcs result from the collision of two plates at convergent plate boundaries and mostly occur along the margins of which of the following oceans?
 
  A) Pacific Ocean
  B) Atlantic Ocean
  C) Indian Ocean
  D) Arctic Ocean
  E) Southern Ocean

Question 2

According to the fossil record on Earth, the earliest-known life-forms were primitive ________.
 
  A) bacteria
  B) plants
  C) shells
  D) reptiles

[diana chang]

Answer to Question 1

A

Answer to Question 2

A