Graph the circle which is centered at -5,1 and has a radius of 4 units

Acharreadas is a popular mexican thing where people display varying skills of horsemanship much like what events in the united states?

Most tornadoes carry winds speeds in a range of km per hour

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed