Years ago, consumers in Frieland began paying an energy tax in the form of two Frieland pennies for each unit of energy consumed that came from non renewable sources. Following the introduction of this energy tax, there was a steady reduction in the total yearly consumption of energy from non renewable sources.

If the statements in the passage are true, then which of the following must on the basis of them be true?
(A) There was a steady decline in the yearly revenues generated by the energy tax in Frieland.
(B) There was a steady decline in the total amount of energy consumed each year in Frieland.
(C)There was a steady increase in the use of renewable energy sources in Frieland
(D) The revenues generated by the energy tax were used to promote the use of energy from renewable sources.
(E) The use of renewable energy sources in Frieland greatly increased relative to the use of non renewable energy sources.



Despite a dramatic increase in the number of people riding bicycles for recreation in Parkville. a recent report by the Parkville Department of Transportation shows that the number of accidents involving bicycles has decreased for the third consecutive year.

Which of the following, if true during the last three years, best reconciles the apparent discrepancy in the facts above?
(A) The Parkville Department of Recreation confiscated abandoned bicycles and sold them at auction to any interested Parkville residents.
(B) Increased automobile and bus traffic in Parkville has been the leading cause of the most recent increase in automobile accidents.
(C) Because of the local increase in the number of people bicycling for recreation. many out –of –town bicyclists ride in the Parkville area.
(D) The Parkville Police Department enforced traffic rules for bicycle riders much more vigorously and began requiring recreational riders to pass a bicycle safety course.
(E) The Parkville Department of Transportation cancelled a program that required all bicycles to be inspected and registered each year.



Do strong electric currents, by means of the electromagnetic fields that accompany them, cause cancer in people who live and work nearby? Telephone line workers. who work near such currents every day, can provide a test case. They show elevated levels of brain cancer, therefore, the hypothesis of electromagnetic causation is supported.

Which of the following if true, most seriously weakens the argument?

(A) Burying power lines and other measures to protect the public from such electromagnetic fields would be prohibitively expensive.
(B) Telephone line workers are exposed to levels of chemical solvents high enough to cause brain cancer.
(C) High exposure to strong electromagnetic fields is correlated with a slightly higher-than-normal incidence of childhood leukemia, which is a form of cancer.
(D) Public health officials who found that a group of different illnesses in people living near a power substation could not reliably be attributed to its electromagnetic field were accused of covering up the facts.
(E) Telephone line workers, like most people. Have electrical appliances at home, and most electrical appliances, when turned on, are surrounded by and electromagnetic field of some measurable level.











On turning 65 years old, everyone living in the town of Malton becomes eligible to receive a card that guarantees discounts on most goods and services sold in the town. Census records for 1990 show that
2, 450 inhabitants of Malton turned 64 in that year. Yet in 1991 over 3,000 people applied for and properly received discount cards. So clearly some of Malton's population growth between 1990 and 1992 must be attributable to migration into the city by people in their mid -60's.

Which of the following is an assumption on which the argument depends?
(A) The town of Malton has no complete census records for 1991.
(B) The overall size of the population of Malton grew by over 500 during 1990.
(C) Fewer people applied for and received discount cards in 1991 than did so in 1992.
(D) Among the people 65 years old or older who moved into Malton in 1991. there was no one who did not apply for a discount card .
(E) In general. people who applied for and received discount cards in 1991 first became eligible to do so in that year