Proponents of the electric car maintain that when the technical problems associated with its battery design are solved, such cars will be widely used and, because they are emission-free, will result in an abatement of the environmental degradation caused by auto emissions. But unless we dam more ri...

Lofgren's disease has been observed frequently in commercially raised cattle but very rarely in chickens. Both cattle and chickens raised for meat are often fed the type of feed that transmits the virus that causes the disease. Animals infected with the virus take more than a year to develop sympto...

The Department of Homeland Security has proposed new federal requirements for driver’s licenses that would allow them to be used as part of a national identification system. Using licenses for purposes not directly related to operating a motor vehicle is un-American because it would require U.S. ...

The top ten most popular movies of all time have all been released in the summertime. One movie critic claims that this is because more people go to the movies in the summer to escape the heat. Which of the following most strongly supports this argument? A Summer blockbusters are exciting and popul...

A certain variety of spear thistle, a weed that quickly spreads across grasslands, was inadvertently introduced into Canada from the United Kingdom in the late 1960's. This weed takes nutrients and moisture from the soil that would otherwise go to timothy grass, the most common Canadian grass varie...

IMO D simple : You are mixing 5 components with rating : 4 5 6 7 8 -to make new component A So avg rating = 6 D says : rating of the new component A = avg rating = 6 clearly 6 < 10, so it is not the best. Hey Thanks Man!!! Awesome is your maths!!! I got the clue from ur explanation :) Actually, the...

Which of the following best completes the passage below? One tax-reform proposal that has gained increasing support in recent years is the flat tax, which would impose a uniform tax rate on incomes at every level. Opponents of the flat tax say that a progressive tax system, which levies a higher ra...

In the effort to fire a Civil Service employee, his or her manager may have to spend up to $100,000 of tax money. Since Civil Service employees know how hard it is to fire them, they tend to loaf. This explains in large part why the government is so inefficient. It can be properly inferred on the b...