Eva’s home is located at 72° 30’ E longitude. Sophia lives at 72° 30’ W longitude. Which student lives closer to the Prime Meridian? A.
Eva
B.
Sophia
C.
They are the same distance from the Prime Meridian.
D.
They both live on the Prime Meridian.

b is the right answer for this question.

d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.