What is one biotic factor that affects the size of a population in an ecosystem?
a) local geography
b) number of predators present
c) average yearly temperature
d) average yearly precipitation

what are the options

explanation:

answer; increases;

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).