Earth's axis is tilted ______________ degrees from the normal to the ecliptic plane

a. zero
b. 90
c. 45
d. 23.5


d

Physics & Space Science

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A star begins fusing hydrogen to helium the moment it leaves the main sequence

a. True b. False Indicate whether the statement is true or false

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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

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Discuss the seasons of Uranus

What will be an ideal response?

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For an ideal gas of a given mass, if the pressure remains the same and the volume decreases:

a. the average kinetic energy of the molecules decreases. b. the average kinetic energy of the molecules stays the same. c. the average kinetic energy of the molecules increases. d. Nothing can be determined about the molecular kinetic energy.

Physics & Space Science