19. what happens to cultural regions over time?

If a population is growing quickly in a small area then what must increase as well

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 type of aid does nigeria receive? short term, tied, voluntary, bilateral, multilateral or long-term?