No it is not, it is the process of spontaneous transport of molucules.
It is a simple machine. But 2 of the five simple machines. Wheel and Axle, a simple machine consisting of a wheel (or crank) and an axle that turn on the same axis
first authors first and last name, then the title of the book followed by any chapters/sections used. then the volume (in applicable) them publishers and the year it was published. any editors are out at the end
The fourth one,”all i could think about was...”
i think the answer you are looking for is answer A.