Question

scientists work exclusively in the ________. options: buildings, natural world, environment, forest

Explanation:

Scientists study various natural phenomena, organisms, physical laws, etc., all belonging to the natural world. "Buildings" are man-made structures, not the exclusive work scope of scientists. "Environment" is a part of the natural world but not as comprehensive. "Forest" is just a specific type of natural ecosystem, too narrow.

Answer:

B. Natural World