In one word, how can water in the power plant of a nuclear submarine far exceed 100°C?
A) conductivity
B) evaporation
C) condensation
D) pressure
E) vaporization
Answer: D
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The red coloration seen on the Martian surface originates from
A. when Mars' had flowing water, it also has red algae, which stained the surface rocks. B. the iron minerals in the surface rocks combining with oxygen in the atmosphere causing the surface to rust. C. the atmosphere blocking out blue light, only allowing red light to reflect off the surface. D. past volcanic activity covering the surface of the planet with red lava.
Which Terrestrial planet has the lowest density atmosphere (i.e. none)?
a) Venus b) Mercury c) Mars d) Jupiter e) Earth
The conservation of energy equation must include
A. Work done on the system B. Thermal energy added to the system C. Thermal energy leaving the system D. Work done by the system. E. All of these are correct.
The distance between the object and the eyepiece of a compound microscope is 18.0 cm
The focal length of its objective lens is 0.80 cm and the eyepiece has a focal length of 2.3 cm. The near-point distance of the person using the microscope is 25.0 cm. What is the total overall magnification of the microscope? A) -360 x B) -200 x C) -480 x D) -184 x E) -120 x