Ernest Rutherford's experiments in which alpha rays pass through a thin piece of metal foil demonstrated that
A) light is a wave.
B) electrons exist.
C) the atom contains a tiny nucleus containing most of the atom's mass.
D) light is made of particles.
E) neutrons exist.
C
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What are coronae on the surface of Venus?
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You carry a 20-N box 5 m horizontally across a room. The work you do is 100 N-m
a. True b. False Indicate whether the statement is true or false
Two identical planets orbit a star in concentric circular orbits in the star's equatorial plane. Of the two, the planet that is farther from the star must have
a. the smaller period. b. the greater period. c. the smaller gravitational mass. d. the larger gravitational mass. e. the larger universal gravitational constant.
Soil that is high in humus is usually what color?
What will be an ideal response?