Select all the correct answers. Two students are debating whether the water cycle is a biogeochemical cycle. Which two of the following statements serve as
evidence that the water cycle is a biogeochemical cycle?
New water is constantly being produced and added to the cycle.
Water interacts with living organisms but not geological features.
Water returns to its original state after completing the cycle.
Water changes form and phase throughout the process of the water cycle.
When water is contaminated, it cannot be reused.
Anything help!!!

Asquare 1m x 1m plate is shown below. all four of its edges are kept at 0 co. at t=0the temperature distribution is given by: y xtsins n75)=.a) using separation of variables determine the temperature distribution t(x, y,t)along the plate at any time t. b) discretize the heat conduction equation +=22222 txtusing a second-order centered difference scheme for the two second derivatives and a first-order forward euler scheme for the first derivative. using von neumann stability analysis, determine the stability criterion for the proposed discretization scheme in terms of , hand t. solve for the maximum allowable time step tmax