The most effective aquifer is likely to ____. A)be composed of ...

[naturalchemist]

The most effective aquifer is likely to ____.
 A)be composed of metamorphic rock
 B)be composed of igneous rock
 C)have well-sorted and well-rounded sediments with high permeability
 D)have high porosity and low permeability
 E)have low porosity and high permeability

Question 2

Most scientists believe that volcanism has played a major role in the depletion of the ozone layer in Earth's stratosphere.
  Indicate whether the statement is true or false

[InfiniteSteez]

Answer to Question 1

C

Answer to Question 2

False