What is the very first method of food processing discovery? cooking pasteurization fermentation canning?

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

Which locations on the map are low-pressure areas? a b c d e

How water is moving through the ecosystem ?