Give form of examination malpractices

Explanation:

impersonation

aiding of students by lectures

question paper leakage

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Tornadoes effect the environment by destroying buildings and trees. Tornadoes also kill animals, which effects the food chain and disrupts the whole environment. ... Fires may occur after a tornado due to damaged power lines and gas leaks. Fire contributes to global warming by giving off carbon dioxide into the atmosphere and negatively impact humans