The latitude and longitude of los angeles are 34.05° north and 118.25° west, respectively, and the latitude and longitude of las vegas are 36.17° north and 115.20° west, respectively. assuming that the radius of earth is 6.38× 106 m, find the distance between los angeles and las vegas.

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 best characterizes changes to agriculture in the united states since 1900? a. increased mechanization has reduced the need for labor.b. increased mechanization has increased the need for water, thereby increasing the need for labor.increased mechanization has increased the use of land, thereby increasing the need for labor.d. increased mechanization has increased food production, thereby increasing the need for labor. select the best answer from the choices provided.

Which australian state leads the nation in the production of dairy products? a. western australia b. northern territory c. queensland d. victoria