What frequency corresponds to an absorption line at 502 nm? A. 5.98 x 1014 Hz
B. 4.92 x 1014 Hz
C. 1.67 x 1014 Hz
D. 3.96 % 1014 Hz

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d

Fossil fuels are organic compounds that are made from

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy