Coral reefs A) require water that is high in sediment ...

[DelorasTo]

Coral reefs
 
  A) require water that is high in sediment concentrations.
  B) are made of animals living symbiotically with simple algae.
  C) tend to occur poleward of 30 N/S.
  D) survive in a broad ecological range because they are tolerant of temperature, salinity, and depth variations.
  E) are found primarily in deep oceans.

Question 2

The study of plate boundaries and the frequency of past earthquakes in order to forecast earthquakes is known as
 
  A) paleontology.
  B) paleoseismology.
  C) dilatancy.
  D) geodesy.
  E) moment magnitude.

[dantucker]

Answer to Question 1

B

Answer to Question 2

B

[DelorasTo]

TYSM

[tkempin]

Gracias!