The element erupting from the volcanoes of Io is ________
Fill in the blank(s) with correct word
sulfur
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Studying the magnetospheres of the jovians has allowed us to measure their:
A) rotation rates. B) orbital period. C) orbital radius. D) gravity. E) ring system diameters.
A battery with an emf of 12 V theoretically supplies 4 A of current to the circuit's load if internal resistance is not taken into consideration. When the internal resistance is included, the current is calculated to be 3 A. The load's resistance, R, and the internal resistance, r, are
1. R = 1 ?, r = 3 ? 2. R = 1/3 ?, r = 11/3 ? 3. R = 3 ?, r = 1 ? 4. R = 3 ?, r = 4 ?
Galileo's observation of the satellites of Jupiter showed that ________.
A. the Moon was not a flawless sphere B. nothing orbited Earth C. there were objects that did not orbit Earth D. planets orbited the Sun E. None of these choices is correct.
The transitions of an electron in the hydrogen atom to the n = 2 level result in the
a. Lyman series. b. Balmer series. c. Paschen series. d. Bohr series.