Answer:
The correct answer is the third statement.
Explanation:
This is because the first and last statements are completely incorrect as irrigation systems had to do with routing water from streams and lakes, into farms in order to hydrate plants. The second answer is technically correct in my opinion, because once flood season came farmers used irrigation lines to re-route water to reservoirs or other places besides their farms. Although, this was not the main purpose of irrigation systems.
Cellular respiration is the process in which an organism breaks down energy so it can be absorbed. The chemical equation is C^6H^12O^6+6O^2 ⇒ 6H^2O+6CO^2+Energy(ATP) Everything on the right side of the equation are the reactants and everything on the left are the products. This basically is saying that glucose(sugar) plus oxygen will give you carbon dioxide, water, and energy. Oh and I don't know how to type subscripts on here, so in the equation when I put ^ and a number, it was meant to be a subscript.
X = 4 , so the complementary angle for 86 degrees is 4 degrees .
Divergent boundaries are boundaries where plates pull away from each other, forming mild earthquakes and volcanoes as magma comes to the surface. Convergent boundaries are boundaries where two plates are pushing into each other.
