Question

17 multiple choice 1 point a type of pollution found both indoors and outdoors which includes pollen, dander, soot, carbon, and dust... combustibles particulate matter allergens water droplets 18 multiple choice 1 point the introduction of chemical, physical, or biological agents into the water. water pollution artificial pollution thermal pollution biomagnification

Explanation:

1. Particulate matter includes small particles like pollen, dander, soot, carbon, and dust and can be found indoors and outdoors. Combustibles are substances that can burn, allergens are a subset of particulate matter that cause allergic reactions, and water droplets are not this type of pollution.
2. Water pollution is defined as the introduction of chemical, physical, or biological agents into water. Artificial pollution is a broad - term not specific to water, thermal pollution is related to temperature changes in water, and biomagnification is the increase in concentration of a substance in organisms.

Answer:

1. B. Particulate matter
2. A. Water pollution