What is the origin of the tradition of shaking hands?
a. to expel evil spirits
b. to show that neither party was holding a weapon
c. to signify sharing the breath of life
d. to make sure that neither party had a robotic hand

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.

Why would the composition of a meteorite resemble the earth's interior?

Which of the following east asian contries are a peninsula? a. china b. taiwan c. south korea d. mongolia