If you were on the bus and someone sprayed pepper spray, who would feel it first? Who would smell it
last?
Why do the people closer to the spray source
smell it sooner then the people further away
from it?

Calculate the number of molecules present in 0.750 mol of mgo.

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d

The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n