What will make a mineral useful as a electrical wire?
a. The mineral’s hardness
b. The mineral’s color
c. The mineral’s electrical conductivity
d. The mineral’s solubility
Ans: c. The mineral’s electrical conductivity
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The escape speed from Planet Earth is
A. 42.2 km/s. B. 8 km/s. C. 9.8 km/s. D. 11.2 km/s.
What is the world's largest ethnic religion? In what country do 97 percent of the adherents of this religion live?
What will be an ideal response?
Between 1965 and 2005 exports (in terms of value) of which commodity has grown the most?
A) food, beverages & tobacco B) chemicals C) crude materials D) mineral fuels E) machines and transport equipment
Which of the following is an example of secondary contamination?
a. Handling a contaminated tool b. Stepping in a contaminated liquid pool c. Contamination by airborne vapors d. Contact with the material during a defensive operation