In the subsurface ocean beneath Europa's icy crust, if life exists, it most likely originated
A) close to volcanic vents on its ocean floor
B) on the surface and then migrated down into the ocean
C) just below the surface of its thin icy crust where sunlight is still able to penetrate
D) via panspermia from impacts
A
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The surface tension of water is 0.0730 N/m. What is the height of the water in a capillary tube of diameter 2.00 mm?
A. 1.27 cm B. 1.37 cm C. 1.49 cm D. 1.58 cm E. 1.63 cm
Ultramafic rocks are commonly found forming at the Earth's surface.
Indicate whether the statement is true or false.
If you connect two identical storage batteries together in parallel, and place them in a circuit, the combination will provide
A) twice the voltage and twice the total charge that one battery would. B) twice the voltage and the same total charge that one battery would. C) the same voltage and twice the total charge that one battery would. D) half the voltage and half the total charge that one battery would. E) half the voltage and twice the total charge that one battery would.
Each pattern shown below would appear on a screen when monochromatic light of wavelength ? first passes through a narrow slit of width a and then strikes a screen. The darkest areas on the page represent the brightest areas on the screen. In which case does the slit have the narrowest width?
A.
B.
C.
D.
E.
