Which of the following groups of environmental science careers are most similar?
a. hydrologist, toxicologist, environmental lawyer
b. environmental physician, environmental veterinarian
c. environmental activist, oceanographer, ecologist
d. oceanographer, environmental journalist

The correct answer B) Environmental physician, Environmental Veterinarian.

The groups of environmental science career that are more similar are Environmental physician, Environmental Veterinarian.

These environmental careers refer to medicine and doctors. The Environmental Physician studies the relationship between the environment and the humans. For instance, how air pollution or noise pollution affects the health of the human being, and the possible resources to help the patients. In the case of Environmental Veterinarian is similar because it involves medicine and environmental issues, but for animals. For instance, the problems with animals in their own habitats, diseases, and animal behavior in certain situations.  

b or c im pretty sure