Classify the sources as point source pollution or non-point source pollution.
smoke from a factory
smoke from cars
sewage
oil from a garage that
is released into water
point source pollution
non-point source pollution
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Point source pollution:

Non-point source pollution:

Explanation:

According to United States Environmental Protection Agency (EPA) regulations, point source pollution is a type of pollution in which contaminant is released into the environment from an easily identified source. In the examples given above, smoke from a factory, sewage, and oil effluents are coming from easily identifiable sources.

On the other hand, a non-point source of pollution is the release of contaminant in the environment through diffused or unidentifiable sources. In the examples given above, smoke from cars could be stated as non-point sources of pollution because vehicles are in a continously moving state.

bc blah

explanation:

bc blah

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.