Answer:
Nothing
Explanation:
No options found and you asked us to pick from the following
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>
The answer D sorry if I’m wrong
When a population of birds that are separated into a different area, they might find a different kind of bird and mate with them. likely they might get killed because of their way of eating and surviving.
Answer:
Background extinction
Explanation:
The background extinction refers to the diminishing of the species at a fairly slow and constant rate. This extinction takes place because of the various environmental factors namely the changing climatic conditions, spreading of diseases, and destruction of habitat. It plays an important role in the natural process of evolution. This has been taking place continuously throughout the geological time and the species are undergoing continuous evolution over a specific period of time.
