Which of these has the least impact on the climate of a place? a. altitude of that place b. wind patterns of that place c. topography of that place d. government of that place e. surface of that place

It would be D. Altitude and Wind Pattern both matter a lot towards climate. Topography is "the arrangement of the natural and artificial physical features of an area." It could be that IF it was multi-choice. Surface is easily-self explained.

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

: -)

the answer is definitely a