The city journal sold 3,807,412 copies of its newspaper last year. this year, it sold 4,339,798 copies. round each number to the nearest hundred thousand. about how many copies of the city journal were sold in the 2 years? 8,000,000 , 8,100,000 , 8,200,000 , 8,300,000.

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.

you have to wait a while to reward brainliest if only one person answers. if 2 people answer there should be a "mark brainliest" on their question.

i cant fully remember all of the ranks, here are the ones i remember.

hand, ambitous, ace, genius.