What could happen to the environment if there were no environmental scientists to monitor it? a. decline in air, land and water pollution; no one to ensure proper disposal of toxic wastes; decreased destruction of habitats; increase in species extinction; b. great increase in air, land and water pollution; no one to ensure proper disposal of toxic wastes; increased destruction of habitats; increase in species extinction; c. problems with enforcing the preservation of certain ecosystems and wildlife; great increase in air, land, and water pollution; decreased destruction of habitats; increase in species extinction d. increased destruction of habitats, decrease in species extinction; problems with enforcing the preservation of certain ecosystems and wildlife; prevent the depletion of Earth's natural resources