* What is nonpoint source pollution?

a.) pollution that comes from a source that can't be tied to a specific location

b.) pollutants that are discharged from a specific location

c.) pollutants that are found in deep water

I think it might be B

Explanation:

nonpoint sorce polution is polution resulting from many different sources in direct contrast to the point port source pollution which results in a single source

is A. because the pollutants that come from a source that cannot be tied to a specific location.

Nonpoint source pollution can include: Excess fertilizers, herbicides and insecticides from agricultural lands and residential areas. Oil, grease and toxic chemicals from urban runoff and energy production. Sediment from improperly managed construction sites, crop and forest lands, and eroding streambanks.

answer:   option a) glucagon was secreted by his pancreas before he ate the cookies because blood glucose was low. insulin was secreted after he ate the cookies because his blood glucose was high.

explanation:

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.