Which of the following is an example of a pure substance?
10 points
A. A sample of oxygen gas
B. A solution of sugar water
C. A mixture of pasta and sauce
D. An alloy of iron and carbon

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

Hypothesis. why don’t you know this? i learned this stuff in like 5th grade