<u>Answer:</u>
<em>C. Sulfur dioxide
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<u>Explanation:</u>
Sulfur dioxide is a dangerous chemical, and it may create complications. An ingredient incorporated in the making of sulfuric acid because it is widely used in many industries. When starting a car in the morning, one interacts with Sulfur, and this is experienced when striking a match.
The substance is usually colorless and soluble in water forming a gas. Sulfur is not, however flammable, but it has a transition that happens during the volcanic and produces a waster product with materials that are heated.
Answer: In Medieval Europe, knights pledged loyalty to vassals, who in turn pledged theirs to powerful lords, and serfs labored in the fields.
Explanation:
A rigid hierarchy refers to one where people who are born into a certain position in life, find it quite hard to move from it or rather one where there are different social classes and people had to be classified in one class for the system to work.
The system during medieval times was much like this. Social classes existed that determined a person's worth in society such as the knights, vassals, Lords and Royals. There was also the serfs who were considered the lowest in the hierarchy.
Hurricane Sandy hit issues or lessons that emerged from this natural disaster that there was a severe shortage of fuel in New York City.
<h3>What is a natural disaster?</h3>
A natural disaster can be defined as a disaster that is called environmental change, it could be a flood, Hurricane, volcano eruption, or earthquake.
Hurricane Sandy hit New York City in 2012 which caused major damage that was brought to the City.
With this damage came various problems, and one major problem which occurred was a shortage of fuel around the area. As there was no way the transportation would happen, the fuel would reach the area.
Learn more about a natural disasters, here:
brainly.com/question/13154257
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