1 valence electron is present.
B because the temperature goes up then the birds would move to the south were it is cooler.
The one that is typically associated with a large amount of organic material in a water supply is : C. Fecal Coliform
It's a type of bacterium that lived in aquatic supply. The presence of Fecal Coliform in an aquatic environment indicate that the environment is contaminated with mammals' fecal wastes
hope this helps
Answer:
I don't know like what does it basically mean??
