Asurvival strategy used by our ancestors to avoid starvation was? a increasing the metabolism when hungry b storing excess calories as fat c constantly searching for nuts and berries d preffeeijf low calorie foods

If the limit, as x approaches infinity (or negative infinity) of a function is equal to a, we say that the line y = a is a of the function f.

What statement is true about all chemical changes? a) chemical changes can be undone. b) chemical changes cannot be reversed. c) chemical changes change the color of objects. eliminate d) chemical changes do not form new products.

Pleas give me brief explanation about deterministic model in advanced hydrology