Why is plastic not a mineral?
a) it is not solid.
b) it is not natural.
c) it is not chemically homogeneous.?
Ans: b) it is not natural.
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If the tangential velocity of the Moon about Earth slowed to zero, the Moon would
A. crash into Earth. B. spiral away from Earth C. continue in a straight-line path. D. slow.
The lithospheric plates are thought to move primarily as the result of thermal conduction. Indicate whether the statement is true or false
A student named a particular compound 2-propyl-1-butene. Assuming that the student's choice actually corresponded to the correct distribution of the double bond and the substituents, what is the correct IUPAC name for this compound?
A) 2-propyl-1-butene B) 2-ethyl-1-pentene C) 3-methyl-2-pentene D) none of these
Which of the following statements about the Pacific Ocean is TRUE?
A) The Pacific Ocean is about three times larger than the next largest ocean. B) The Pacific Ocean covers more than two-thirds of the ocean surface area on Earth. C) The Pacific Ocean is the second largest geographic feature on the planet. D) The Pacific Ocean spans more than one-half of Earth's entire surface. E) All of the continents could fit into the space occupied by the Pacific Ocean.