Question

1. a type of pollution found both indoors and outdoors which includes pollen, dander, soot, carbon, and dust...

\ta. allergens
\tb. combustibles
\tc. water droplets
\td. particulate matter

1. the introduction of chemical, physical, or biological agents into the water.

\ta. water pollution
\tb. biomagnification
\tc. thermal pollution

Explanation:

1. Particulate matter consists of tiny particles like pollen, dander, soot, carbon, and dust found indoors and outdoors. Allergens are substances that cause allergic reactions, combustibles are materials that can burn, and water - droplets are not the same as the described particles.
2. Water pollution is the introduction of chemical, physical, or biological agents into water. Biomagnification is the increase in concentration of a substance in organisms at higher trophic levels, and thermal pollution is related to changes in water temperature.

Answer:

1. d. Particulate matter
2. a. Water pollution