Which of the following is the softest mineral on the Mohs scale?
a. Talc
b. Gypsum
c. Diamond
d. Quartz
a
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A wheel rotates through an angle of 320° as it slows down from 78.0 rpm to 22.8 rpm. What is the magnitude of the average angular acceleration of the wheel?
A) 2.34 r rad/s2 B) 5.48 rad/s2 C) 6.50 rad/s2 D) 8.35 rad/s2 E) 10.9 rad/s2
Briefly explain how mass transferred from one star to another in a binary system flows into a rapidly rotating whirlpool called an accretion disk
What will be an ideal response?
A(n) _______________star is any star that changes its brightness significantly and repeatedly
Fill in the blank(s) with correct word
An unconformity can be interpreted as
A) an occurrence of radioactive decay. B) repeated intrusions of igneous rock. C) a buried surface of erosion. D) the result of repeated volcanic action.