How do galaxies form?

When we begin to recognize the cultural basis for practices that diverge from our own, we are reflecting which response to diversity

Firms use marginal analysis to determine prices by a) changing prices in accordance with information from retailers. b) using comparisons with strong competitors to position prices accordingly. c) examining the effect on revenue of small changes to the price of one item. d) trying to minimize production costs by using better and more efficient methods.

Pleas give me brief explanation about deterministic model in advanced hydrology