Convert 14 K to °F
A)
287°F
B)
-434°F
C)
-343°F
D)
-259°F
E)
474°F
B
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Which of these planets is just 0.39 AU from the Sun?
a. Jupiter b. Mars c. Earth d. Venus e. Mercury
What conditions are thought to be necessary for a terrestrial planet to have a strong magnetic field?
A) a molten metallic core only B) fast rotation only C) a rocky mantle only D) both a molten metallic core and reasonably fast rotation E) both a metal core and a rocky mantle
Observations show that elements with atomic mass numbers divisible by 4 (such as oxygen-16, neon-20, and magnesium-24 ) tend to be more abundant in the universe than elements with atomic mass numbers in between. Why do we think this is the case?
A) The apparent pattern is thought to be a random coincidence. B) Elements with atomic mass numbers divisible by 4 tend to be more stable than elements in between. C) At the end of a high-mass star's life, it produces new elements through a series of helium capture reactions. D) This pattern in elemental abundances was apparently determined during the first few minutes after the Big Bang.
A place where an unusually hot part of the mantle rises through the crust causing volcanic activity is called
A. Divergent boundary B. Hot spot C. Convergent boundary D. Transform boundary