Internal validity

Abstract As vehicular pollution is increasing in the environment because of the hazardous CO2 and other carbon compound emissions and other harmful pollutants that are emitted by the vehicles puts a negative impact on the atmosphere. Society has been making a large effort to make everything green and cleaner in today’s world, including transportation. Buying a car is big investment and requires the consideration of many different variables. With the growing interest in saving our planet, many…

Automotive companies should make more fuel efficient engines. If they do then people with them will save. With a fuel efficient engine people will spend less money on gas. People will be able to travel further. When traveling with a fuel efficient engine you will be able to travelling further. The vehicle will run smoother on roads. When driving on a road there will be less gas flowing to the engine which means you won't feel it. Driving with a fuel efficient engine will make it smoother on…

After a long night of drinking, all you want to do is go home and sleep. Some drivers go home and wake up the next day in their own bed, others wake up in hospital beds, while others don’t wake up at all. Receiving a phone call at 4 am with the news that one of your loved ones was involved in an accident because they tried to drive home under the influence of alcohol is one of the worst news you could hear. My father, who at that time was drunk, refused to call anyone to take him home because…

How does the distance you live from the University affect your study options? If you have to travel long distances, what costs are involved? If moving away from home, what will be your living arrangements and costs? I currently live in Claremont with my parents. If I am admitted into the MBBS, I may have to reside in Burnie or Launceston for the fourth and fifth years of the course. If I were to be placed at the Launceston Clinical School I would have to seek my own accommodation and catering,…

Electric cars are better than gasoline powered vehicles because there maintenance is low cost. Brad Berman explains that, “The common assumption is $0.12 a kilowatt-hour for electricity and about $4.00 a gallon of gasoline”(“Total Cost of Ownership of an Electric Car” par.4). In other words, there is 1,000 watts in a kilowatt for one hour. Gasoline is very expensive, but to charge the battery of an electric vehicle is far less inexpensive than gasoline. Charging the battery for an electric…

As per your request, I have reviewed Aaron Green’s medical care rendered from 4/29/15 to 6/10/15 to determine if Mr. Green would have been a candidate for drugs to combat his stroke if he had received medical care sooner. Signs and symptoms of stroke include sudden numbness or weakness in the face, arm, or leg, especially on one side of the body, confusion, trouble speaking, or difficulty understanding speech, trouble seeing in one or both eyes, trouble walking, dizziness, loss of balance, or…

Why hello there adventurers, are you ready to soar through the jungle on the new hit roller coaster Roaring Tiger? There are some pretty interesting things about this coaster I think you all will certainly enjoy. 855 feet (260.604 in meters) will be covered by this coaster, additionally the ride will reach a top speed of 90 miles per hour! To get into that raging speed, the car accelerates from 5-90 miles per hour in a blink of a second. Plus, each cart itself without a passenger is about 550…

NASCAR is one of the world’s most popular sports attracting millions of viewers every Sunday to watch their favorite drivers race hundreds of miles across the race track at intense speeds. Many people who love to tune in and watch the sport are not aware of the chemistry behind NASCAR. For the cars to be able to operate the way they do, a lot has to go into building them. Each track that is raced on brings different challenges to the race team whose job is trying to get their car to be the…

History of Chevys! Freshman technology Chevrolet was introduced by William C.durant and louis chevrolet. By 1980 they were selling around 50,000 horse-drawn vehicles. They started shared the company with the Durant-Dort Carriage Company. In 1909 William Durant asked Louis Chevrolet a famous race car driver to help design and promote a new car.They sold the car for over $2000. “1916 Chevrolet 490” Louis left the business of designing cars and he went back to…

Toronto can position itself as a city with a higher quality of living than its competition, most notably its American competition such as Chicago, Boston, and Philadelphia. It is home to the third largest public transportation system in North America, enabling residents to go without a car if they so choose. This drastically decreases the city’s pollution providing better breathing air for its residents. The buses are electric hybrids and there is a public smoking ban which further contributes…