Which of the following is NOT a leading producer of petroleum products? A. Nigeria
B. Libya
C. Algeria
D. Egypt

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 structure on the south african coast has a range of 63 km and releases flashes every 30 seconds?

Explain the reason for having an equator and a prime meridian. how do these two lines us to navigate our world? describe your opinion in at least two to three sentences.