Why were the French Revolution of 1789 and the “revolutions of 1989” so important?

when in doubt choose c

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

hey i did something like that before, what is the quesiton?

the lines on a surface map are called isobars. isobars are lines of constant pressure which are measured in units called millibars. the numbers indicate the amount of air pressure, in millibars, that each line represents.