The Sun will one day pass through the instability strip and become a variable star
a. True
b. False
Indicate whether the statement is true or false
False
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Vision Problems: A person cannot see clearly objects more than 70.0 cm away. What power of corrective lens should be prescribed if the glass is to be worn 1.00 cm in front of the eye?
A. 1.45 diopters B. -1.45 diopters C. 0.0145 diopters D. -0.0145 diopters
Currents in Earth's molten iron core create the planet's magnetic field. These currents are probably caused by
A. radioactivity and convection. B. rotational motion and radioactivity. C. rotational motion and convection. D. rifting and subduction.
The "wispy terrain" on Rhea was revealed by the Cassini spacecraft to be:
A) ice cliffs created by tectonic fractures. B) water ice flows from past impacts that cracked its icy surface. C) the icy ash of water volcanoes. D) "maria" created during the period of high impacts. E) water ice flows from geyser-like activity.
Death Valley in California receives many German tourists. When you convert a summer temperature reading of 130°F to the Celsius scale they use at home, you find that the Celsius temperature is about
a. 26°C. b. 54°C. c. 72°C. d. 176°C e. 327°C.