A kayaker paddles at 4.0 m/s in a direction 30° south of west. He then turns and paddles at 3.7 m/s in a direction 20° west of south.

How does the formation of intrusive and extrusive igneous rocks differ?

Calculate the numbers of photons having a wavelength of 10.0 mm required to produce 1.0 kj of energycalculate the numbers of photons having a wavelength of 10.0 mm required to produce 1.0 kj of energy

In a star, nuclear fusion occurs in the a. photosphere. b. corona. c. radiative zone. d. core.