Columbus claimed to have found a route to the West Indies (what he was looking for). He belived his claim until his death. However, it was later discovered that he had in fact found the Americas.
A laborer undergoes physical or mental exertion of mind or body with a view to earn in return. A laborer who works on an oil rig is called as a roughneck.
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Who is a laborer?</h3>
A laborer is referred to as a person who undergoes physical or mental exertion of mind or body with a view to earn something in monetary terms in exchange for the labor he/she provides.
A laborer is of different types and may be called by different names, irrespective of the kind of work or labor he provides. Likewise, a laborer who works on an oil rig is called as a roughneck. It is to be noted that a laborer is an important factor of production.
Hence, option B; a laborer who works on an oil rig is called as a roughneck is correct.
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E since a lot of taller buildings have a lot of steel in them before being covered in other material
