Describe one of the advances in medical technology after 1900 that increased the ability of humans to fight disease and live longer lives.

Firms use marginal analysis to determine prices by a) changing prices in accordance with information from retailers. b) using comparisons with strong competitors to position prices accordingly. c) examining the effect on revenue of small changes to the price of one item. d) trying to minimize production costs by using better and more efficient methods.

Sheri likes to study in the school library, but it is usually full of chatting students. it's a great place to study because her friends can always drop by when they want to talk to her. sheri should seek a new study space with a. more light c. less distractions b. less people d. more access to a restroom select the best answer from the choices provided a b c d

With my drivers ed and i’ll mark you brainliest + free 10 points adjusting the driver's seat is a. only necessary when you purchase a new vehicle b. usually enough to make up for an arm or leg injury c. not necessary if you're only driving a few miles d. not just for comfort