B. mass extinction c. biodiversity hotspot

d. endangered species

a. endemic species

e. biotechnology

f. extinct species

g. exotic species

1. fire ants in southeastern United States

2. passenger pigeon

3. Florida panther

4. death of the dinosaurs

5. honeycreepers in Hawaiian Islands

6. Amazon rain forest

7. making chemicals or drugs from plants

answer;

-chlorine

explanation;

-toxic industrial chemicals are industrial chemicals that are manufactured, stored, transported, and used throughout the world. toxic industrial chemicals can be in the gas, liquid, or solid state.

-they can be chemical hazards (e.g., carcinogens, reproductive hazards, corrosives, or agents that affect the lungs or blood) or physical hazards (e.g., flammable, combustible, explosive, or reactive).