Name a few countries first world countries.

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.

What distinguishes monsoon asia from the remainder of asia? what are the consequent differences between the two?

Which domain endings indicate websites that are most likely to be reliable sources? check all that apply. sites ending in .net