Lightning Strikes
The old wives' tale of "Lightning never strikes twice" has been proven untrue time and time again. Lightning forms from negative and positive charges within clouds and from the earth below. When these charges react with each other, the air between the cloud and the earth ionizes, which produces a lightning flash. Lightning is actually a series of multiple events consisting of a leader stroke of lightning, followed by as many as 40 smaller strokes of lightning. Being just split seconds apart, these strokes of lightning often reflect off the lining of the clouds.
Lightning rods that extend from above the roof to the ground protect buildings by forming a low resistance path for the lightning so that the lightning does not enter the building, but rather defuses as it penetrates the ground.
Some myths about lightning need to be explained. Lightning does strike tall buildings often, and during a particularly violent storm, a tall building may be hit by lightning several times. The safest place during a thunder and lightning storm is in a metal car or lying flat, face down, in the open, not under a tree as the myth suggests.
Many people believe that thunder and lightning are connected; however, this proves to be true only about 50% of the time, so if you're waiting for the clap of thunder, you're missing out on some exciting strokes of lightning!
Lightning causes injuries, deaths, and forest fires each year. However, some scientists reveal the positive aspects of lightning because it releases nitrogen into the atmosphere which the raindrops then deliver to earth to fertilize our soil.
In paragraph two, the word penetrates means:
To discover or understand.
To pierce.
To be absorbed by the mind.
Having or showing great insight.
Correct Answer : B
In the context of the passage, "penetrates" refers to the act of piercing or entering something, typically with force or intensity.
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Related Questions
Correct Answer is C
Explanation
West Coast slang. The derivation of the word "jazz" is uncertain and has been the subject of much debate among scholars. However, the passage mentioned that the term "jazz" originated as West Coast slang and was first used to refer to music in Chicago around 1915. Therefore, option C, is the closest match to the information provided.
Correct Answer is A
Explanation
Pets and other animals do not adjust easily to the change. The article mentions that the time shifts caused by Daylight Saving Time can disrupt various aspects of life, including pets and other animals, as they may have difficulty adjusting to the change in schedule.
Correct Answer is C
Explanation
It is important to seek shelter in a substantial building or a fully enclosed metal vehicle during a thunderstorm. Standing in the doorway of a building is not the safest option, as it does not provide adequate protection from lightning. Additionally, options A, B, and D mentioned in your choices are not safe and should be avoided.
Correct Answer is A
Explanation
The passage mentions that emergency rooms are acting as primary care physicians for thousands of patients, including those without insurance. As a result, hospitals are raising emergency room costs, and these increased costs are being passed along to paying patients. In turn, insurance companies raise their rates to account for these higher costs. Therefore, the passage suggests that insurance companies are raising insurance rates due to the costs incurred from providing care to individuals without insurance.
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