What do we call a collection of matter that does not interact with anything else in the universe?
A. The forces that act in a collision
B. An intergalactic highway
C. An isolated system
D. A system in which collisions always occur

The horse latitudes-high-pressure zones about 30 degrees north and 30 degrees south of the equator.-warm air traveling away from the equator cools and sinks-weather tends to be clear and drythe doldrums-low-pressure near equator-air rises and spreads out toward the poles-rising moist air produces clouds and heavy rainthe westerlies-blow from the west-move from the horse latitudes toward the poles.-bring storms across much of the united statesthe tradewinds-blow from the east-move from the horse latitudes toward the equator  -strong, steady winds

No because a circle or pie graph usually shows percentages you'd need a line graph