How much energy is in a gamma ray with a frequency of 3.0 x 1020 Hz? answer choices> O 1.97 x 10 (13)
0 2.21 x 10 (-54)
0 4.52 x 10 (53)
1.98 x 10 (-13)

Smog is the term used to describe the combination of fog and smoke

Alarge marble is dropped in a graduated cylinder with 35ml of water in it.the water level increases to 49ml.what is the volume of the marble

Which of the following is not a true statement about dwarf planets? a the kuiper belt contains comets, asteroids, and dwarf planets. b ceres is a dwarf planet located in the kuiper belt. c the largest known dwarf planet in the solar system is named eris.