If the variation of temperature is given by the function
t=280.0+0.002x^2+0.004y^2+0.0098z, compute the change in
temperature for a displacement of 100m in the northwesterly
direction and 50m in the vertical direction.

chinese civil war took place over a long period of time between 1927 and 1950. the war was interrupted when japan invaded china in 1936 and by world war ii. the war was fought between the nationalist government of china, also called the kuomintang (kmt), and the communist party of china (cpc).