Scientist a Works in a Laboratory, Studying the Effects of CO₂

Multiple Choice

Scientist A works in a laboratory, studying the effects of CO₂ levels on algae and zooplankton. Scientist B works at a field station studying how changing CO₂ levels in the atmosphere affect algae and zooplankton in the ocean. Scientist C works in Washington, D.C., lobbying members of Congress to pass legislation to lower CO₂ emissions from cars and power plants. How would these three scientists most likely be classified?

A) Scientists A and B are ecologists; Scientist C is an environmental scientist.
B) Scientist A is an ecologist; Scientists B and C are environmental scientists.
C) Scientists A and B are environmental scientists; Scientist C is an ecologist.
D) All three are environmental scientists.