Ferromagnesian minerals are those that contain a great deal of ________
A) manganese and iron
B) potassium and aluminum
C) magnesium and iron
D) calcium and silicon
Answer: C
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A quick pull on a sheet of paper beneath a box of crackers doesn't topple the box, best illustrates that
A. the box has inertia. B. there is an action-reaction pair of forces. C. gravity tends to hold the box secure. D. the box has no acceleration.
Which of the following pairs are ethnic religions?
A) Hinduism and Islam B) Mormonism and Islam C) Judaism and Christianity D) Judaism and Hinduism E) Christianity and Islam
Economists look at resources as the available supply of something that can be used.
Answer the following statement true (T) or false (F)
Which of the following substances is closely associated with the breakdown of the ozone layer?
A) Carbon dioxide B) Chlorofluorocarbons C) Nitrogen oxides D) Water vapor E) Infrared radiation