Which is the most common state of matter in the universe?
a. solid
b. liquid
c. gas
d. plasma
e. superfluid
d
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Saturn orbits the Sun and follows which laws? Choose the best answer. I. Kepler's first II. Kepler's second III. Kepler's third IV. Newton's law of gravitation
a. I and II b. I, II, and III c. I, III, and IV d. I, II, III, and IV
What term describes the process of transformation of the first cell of a new individual into an adult?
a. inheritance b. genetics c. reproduction d. development e. sex
This design combines the radiation from two different telescopes to greatly enhance resolution via computer synthesis
A) Cassegrain reflector B) Newtonian reflector C) prime focus reflector D) refractor E) interferometer
A capacitor is connected to an AC power supply. In this circuit, the current
A) leads the voltage by 90°. B) is in phase with the voltage. C) lags the voltage by 45°. D) lags the voltage by 90°. E) leads the voltage by 45°.