What word is unnecessary in the following sentence? "smith states, 'in one day, the whole world changed.' (smith 2)." a. whole b. states c. the first smith d. the second smith

hey kid learn to actually put time and effort into your school work and maybe you would get higher grades and not have to come on this website and beg for answer's

onto a large boat, and mark the water level that the boat sinks to. then, take the elephant out and put a bunch of marked weights onto the boat until it reaches the same water level. add up the masses of the weights to get the weight of the elephant.