The answer is: situational irony.
Situational irony is a literary device in which the outcome is unexpected: the result is unpredicable or the opposite occurs instead. For example: "The bus driver has failed the driving test," or "The cook has burnt the chicken."
The answer to this would be a serious tone
hope this helps
<span>The question "What are the causes and effects of natural disasters" relates to the article planning an explosive study on Mt. St. Helens because volcanoes is a type of natural disaster and it can lead to tragic effects to the atmosphere caused by plates collision. Hope this helps!!</span>
