Answer:
C
Explanation:
deer are alive and therefor biotic. As they graze they eat grass, walk on land and use oxygen, - all parts of the environment
Antibiotics are usually derived from bacteria.
Most mesophytes are crops like corn, goldenrod, or clover.
Answer:
<h2>Secondary air pollutants are pollutants which form in the atmosphere.</h2>
Explanation:
Examples of a secondary pollutant include ozone, which is formed when hydrocarbons (HC) and nitrogen oxides (NOx) combine in the presence of sunlight; NO2, which is formed as NO combines with oxygen in the air; and acid rain, which is formed when sulfur dioxide or nitrogen oxides react with water.