Answer:
adjective
(of a task, duty, or responsibility) involving an amount of effort and difficulty that is oppressively burdensome.
"he found his duties increasingly onerous
Explanation:
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Many passengers who ride on the bus Listen to music through headphones
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passionate emotion because in Ode on Melancholy, the author accepts the fact that emotions need to coexist and that to experience joy we must also experience sadness.