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Read Paragraph Below and Answer the Questions That Follow It

question 10

Multiple Choice

Read paragraph below and answer the questions that follow it.
(1) Rollover accidents-crashes in which a vehicle flips over or tumbles-are some of the deadliest accidents on our roads and highways. (2) Many of these accidents occur because the driver loses control of the vehicle due to one of three causes. (3) The first cause is speeding. (4) According to the National Highway Traffic Safety Administration, about 40 percent of fatal rollover crashes happen because the driver is going too fast and loses control of the vehicle. (5) A second common cause of rollover accidents is driver impairment. (6) In nearly half of all fatal rollover crashes, the drivers had been drinking alcohol, which affected their judgment, muscular coordination, and vision and caused them to lose control. (7) A third common cause of rollover accidents is driver distraction in rural areas. (8) Drivers who are trying to answer a ringing cell phone or changing radio stations can let their attention drift away from the task of driving. (9) If the vehicle veers off the road in a rural area and the driver jerks the steering wheel to correct the problem, the vehicle's tires may dig into soft soil or hit the edge of the pavement, "tripping" the vehicle into a roll. (10) Consequently, almost two-thirds of fatal rollovers occur in rural areas where the posted speed limit is 55 miles per hour or more.
Adapted from "Rollover," U.S. Department of Transportation, http://www.safercar.gov/Rollover
-How many causes or effects does the writer present?

Definitions:

Recessive Trait

A genetic trait expressed only when two copies of the gene are present, one from each parent.

Alleles

Different versions of a gene that determine distinct traits and can be passed from parents to offspring.

Heterozygous

Refers to having two different alleles for a single trait in an organism's pair of genes.

Homozygous

A genetic condition where an individual inherits the same alleles for a particular gene from both parents.