"Untreated water from a factory flowing into a lake" is an example of point source pollution.
Why? You can actually point to a specific source- the factory. Runoff isn't considered point source.
If I helped you mark brainliest.
Answer:
a test cross
Explanation:
it determine whether row genes are linked
Answer: The advantages of streaking isolement helps separate individual bacterial cells in order to grow up into isolated colonies.
Hope this helped!
Answer: the mass would be 3
Nonrandom mating-inbreeding or genetic drift
