If a Meteor Impact or Volcanic Eruption Injected a Lot

Multiple Choice

If a meteor impact or volcanic eruption injected a lot of dust into the atmosphere and reduced the sunlight reaching Earth's surface by 70% for one year, all of the following marine communities most likely would be greatly affected except

A) deep-sea vent communities.
B) coral reef communities.
C) benthic communities.
D) pelagic communities.
E) estuary communities.