The theory that Mercury shrank slightly when it was young has been proposed to explain
a. extended lava plains.
b. large craters.
c. magnetic field.
d. lobate scarps.
e. regolith.
d
Physics & Space Science
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The metric prefix for one one-thousandth is
A) milli. B) centi. C) kilo. D) mega. E) giga.
Physics & Space Science
Many supernovas are thought to result in
A) neutron stars. B) regular stars like our sun. C) red giant stars. D) white dwarfs.
Physics & Space Science
Sustainable development of a finite resource is
a. never possible. b. sometimes possible. c. possible half the time. d. usually possible. e. always possible.
Physics & Space Science
It is a misconception to imagine that space is empty-a vacuum
Indicate whether the statement is true or false
Physics & Space Science