What are some stereotypes that Americans have about South America? Why do you think these stereotypes exist? (Please write in your own words)

One of the brightest comets of the 20th century was comet hyakutake, which passed close to the sun in early 1996. the orbital period of this comet is estimated to be about 30,000 years. find the semi-major axis of this comet’s orbit. compare it to the average sun-pluto distance and to the distance to alpha centauri, the nearest star to the sun, which is 4.3 light-years distant.

The two types of plains are coastal plains and lowland plains

How would you find the measure of one interior angle