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.
From the passage, the reader can conclude that lightning:
never strikes twice.
is always detrimental to the earth.
consists of a main stroke and several smaller strokes.
and thunder are always connected.
Correct Answer : D
The passage mentions the connection between lightning and thunder, as it explains that lightning is the cause of thunder. When lightning occurs, it heats the air around it, causing rapid expansion and contraction, which produces the sound waves we perceive as thunder. Therefore, the presence of lightning is closely linked to the occurrence of thunder. The other options, such as lightning never striking twice or lightning always being detrimental to the earth, are not supported by the information provided in the passage. The passage does not specifically mention the structure of lightning strokes, so option C cannot be concluded either.
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