Which front was longer western, northern, eastern, or southern

The eastern front was longer

when in doubt choose c

it's what my teacher told my class when we were going into psats

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b