Slow surface evolution is caused by
a. wind erosion.
b. plate tectonics.
c. differentiation.
d. all of the above
e. a and b
E
Physics & Space Science
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Match the planet's position at points 1, 2, 3, and 4 in the plot with the descriptions in question 3.
What will be an ideal response?
Physics & Space Science
The figure above shows the geological time scale of Earth. Animals have been present on land for approximately ________ of the Earth's history.
A) 1/10 B) 1/4 C) 1/2 D) 3/4
Physics & Space Science
The number of protons in a nucleus is the
a. mass number. b. neutron number. c. atomic number. d. isotope number. e. none of the above
Physics & Space Science
A node is a position of
A) minimum amplitude. B) maximum amplitude. C) minimum frequency.
Physics & Space Science