Where is Earth's oldest known rock located? A. The Jack Hills region of Australia B. Yosemite National Park in the United States C. The floor of the Pacific Ocean D. The eastern shore of Hudson Bay in Canada

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 is the main purpose of using an anchored network of booms which funnel debris to a collection area?

Audrey planned to move from iowa to arizona. en route, she was offered a job in colorado, which she accepted. she now lives in denver, colorado, and works for an athletic apparel design company.