In an eclipsing binary, the longer the stages of the eclipse take, the ________ the star
Fill in the blank(s) with correct word
larger
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Which of the following statements is TRUE?
A. Saturn has small- and medium-sized moons, but no large ones. B. Jupiter's solid surface lies just below the cloud layers visible from Earth. C. Neither Uranus or Neptune have ring systems. D. The Great Red Spot is an anti-cyclone on Jupiter E. There is no evidence to suggest that either Jupiter or Saturn has a rocky core.
If 150 kcal of thermal energy raises the temperature of 2.0 kg of a material by 400 F°, what is the specific heat capacity of the material?
A) 1.35 kcal/kg ? C° B) 0.75 kcal/kg ? C° C) 0.34 kcal/kg ? C° D) 0.19 kcal/kg ? C°
The most common igneous rock is
A) basalt. B) andesite. C) granite. D) none of these
A radioactive atom has 98 protons and 249 nucleons. If it undergoes alpha decay, what are the number of protons and nucleons, respectively, in the daughter nucleus?
A) 96, 247 B) 94, 247 C) 96, 245 D) 100, 249 E) 100, 245