Valles Marineris on Mars is
A) about as long and deep as the Grand Canyon on the Earth
B) much longer and deeper than the Grand Canyon on Earth
C) much shorter and shallower than the Grand Canyon on Earth
D) much longer but not as deep as the Grand Canyon on Earth
B
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Most of the gold, platinum, and rare-earth elements present in the universe are created by neutron star mergers
Indicate whether the statement is true or false
The two main distinguishing characteristics of an air
mass are a) size and shape. b) pressure and wind speed. c) cyclonic rotation and speed of movement. d) temperature and moisture content
The core of a highly evolved high mass star is a little larger than
A) our solar system. B) our Sun. C) Jupiter. D) Earth. E) a white dwarf.
An old LP record that is originally rotating at 33.3 rad/s is given a uniform angular acceleration of 2.15 rad/s2. Through what angle has the record turned when its angular speed reaches 72.0 rad/s?
A) 83.2 rad B) 316 rad C) 697 rad D) 66.8 rad E) 948 rad