A liquid cannot be heated simultaneously by conduction, convection, and radiation
a. True
b. False
Indicate whether the statement is true or false
False
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At last, someplace fairly comfortable. Very weak gravity is holding you to the surface of the small object on which you sit. Your object is apparently moving away from a star, perhaps one that it orbits with a period of thousands of years
Around you, geysers are spouting gas into space. Looking back along the object's orbit, you see particles of dust that the geysers apparently blew off the object when it was nearer to the star that it is now leaving behind. You conclude that the geysers were recently much more active but are now settling down into a quiescent state that may last for millennia. You also soon realize that you are closer to home than you have been in all your previous journeys. Perhaps if you can somehow find a small rocket, a heat shield, and a good parachute, you can escape and head home for your final exam. Where are you? A) You are on an asteroid near the center of a galaxy, heading in toward a massive black hole. B) You have been shrunk in size and are riding a grain of interstellar dust that is carrying you on an orbit about our very own Sun. C) You are riding a jet of gas from a quasar that is headed in the direction of an ordinary star. D) You are on comet Hale-Bopp, circa May 1997. E) You are at Disneyland on the Moon, riding the new "wild and wet" roller coaster.
We can think of the high tide on the side of Earth opposite the Moon as a result of the Moon pulling Earth away from the water.
Answer the following statement true (T) or false (F)
Go to the screen "Key Evidence of Water," and and select the feature called "Recurring Slope Lineae." Study this feature at each of the four zoom levels offered, and be sure to view the animation called "recurring slope linaea (gif)" that you will see at the third zoom level. Which of the following statements are true?
A. The recurring slope lineae are found among impact craters. B. The recurring slope lineae look like narrow dark streaks. C. The recurring slope lineae are found on flat ground. D. The recurring slope lineae appear to grow in spring and summer. E. The recurring slope lineae appear to be volcanic in origin.
Compressions and rarefactions are characteristics of
A) longitudinal waves. B) transverse waves. C) both of these D) need more information