The masses of stars are found by measurements of
A. relative sizes.
B. light intensity.
C. Doppler shifting.
D. binaries.
E. temperature.
Answer: D
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Is the rate of Earth's rotation increasing or decreasing?
A. It is increasing. B. It is remaining relatively steady. C. It is decreasing. D. It is increasing and decreasing in cyclic fashion.
Which of the following is true when comparing the b-oxidation of a naturally occurring unsaturated fatty acid to that of a saturated fatty acid?
A) It is identical to the b-oxidation of a saturated fatty acid. B) It involves an extra step to convert a cis double bond to a trans double bond. C) It involves an extra step to convert a trans double bond to a cis double bond. D) It proceeds by a totally different pathway.
At what depth do gas bubbles have the most effect on magma?
A. at moderate depths, when the magma is moving rapidly through the conduit B. at very shallow levels, such as within the volcano C. when the magma first forms, before the bubbles can dissolve into the magma D. None of these choices are correct.
Horn Island is a small island about 10 km offshore from Biloxi, Mississippi, that is about 20 km long and 1 km wide. What are features like Horn Island called? Barrier islands Reefs Sand spits Beaches
What will be an ideal response?