What map symbol is often used to show washington dc on a map?

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.

Which of the following statements about wearher along mountain ranges is correct

What would have happened to portugal’s trade if they had not found a way to sail around the tip of africa