Which one of these statements is true about a bumper-to-bumper warranty?

a) normal wear and tear is not covered by the warranty

b) all expenses except gasoline and routine oil changes are covered by the warranty

c) every part and system is covered without exception

d) all parts and systems are covered except those controlled by computer chips which require an extended warranty

Which of the following represents the results of a review of well-controlled studies of vitamin c supplementation on the resistance to, and recovery from, colds? there was a reduction in the duration of colds by 50% on the average. there was a slight effect on reducing the duration and severity of colds for people taking vitamin c supplements. there was a significant reduction in the duration of colds in people who consumed at least one gram a day. there was a significant reduction in the number of colds only in people who consumed > three grams per day.

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Which practice is harmful to the land? a. using animal waste as fertilizer b. composting with peels from commercial fruit c. throwing paint cans in the garbage d. cutting the lawn with a gas-powered mower