Africa's landscape is essentially A. a series of mountains
B. a large desert sprawling over the continent
C. a series of plateaus that rise in elevation steps
D. a series of coniferous and tropical forests

How do the dry pampas and wet pampas contribute to the economic health of argentina

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?