Which mineral property is the least useful for identifying minerals, and why?
a. Color is the least useful property for identification because it is the most obvious property.
b. Streak is the least useful property for identification, as the same mineral type can be found with several different colors of streak due to impurities in the mineral.
c. Density is the least useful property for identification because different specimens of the same type of mineral can vary in size.
d. Color is the least useful property for identification, as the same mineral type can be found in several different colors due to impurities in the mineral.
e. Streak is the least useful property for identification because it does not work for minerals with metallic lusters.
d. Color is the least useful property for identification, as the same mineral type can be found in several different colors due to impurities in the mineral.
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What will be an ideal response?
In a solution made from one teaspoon of sugar and one liter of water, which is the solute?
A) sugar B) water C) the teaspoon D) both sugar and water E) none of the above
With respect to the relationship between culture, religion, and the physical environment,
A) few religions derive meaningful events from the physical environment. B) religious ideas may be responsible for some of the changes people make in the physical environment. C) religion is no longer an important source of identification for a distinct cultural group. D) all religions appeal primarily to people living in their land of origin. E) religious ideas nearly all arise from changes in the physical environment.
Twenty-five U.S. states have so-called "right-to-work" laws that
A) are more numerous and anti-union in northern states than in southern states. B) send a powerful signal to employers that workers have the right to join a labor union, whether or not this unionization might cause inconveniences for management. C) make it much more difficult for employers to limit wages, cut health benefits, and stop unions from forming. D) fight the efforts of factory management to break unions and keep future unions from forming. E) cause a great deal of trouble for labor unions attempting to organize workers and bargain with employers.