Modern smog<span>, as found for </span>example<span> in Los Angeles, is a type of air pollution derived from vehicular emission from internal combustion engines and industrial fumes that react in the atmosphere with sunlight to form secondary pollutants that also combine with the primary emissions to form photochemical </span>smog<span>.</span>
B.
Deforestation affects ecosystems on land. there are no forests underwater
Answer: Mutualism
Explanation: When two animals help one another in a beneficial way for both parties then it is considered mutualism.
Why do cells have a plasma membrane
