Could you tell me a few lines in the poem so i can help you? does it say "I" "He/She" "You" or all of those pronouns ?
Write the subject in the center of the paper.
Answer:
Learning how to ride a bike was a piece of cake
Explanation:
piece of cake is an idiom
The answers are construction and mining. Mining and construction both involve things where there's a lot of dust and this can cause respiratory issues because prolonged exposure clogs and ruins your lungs and can cause cancer. Mining and usage of fossil fuels like coal also destroys the air with carbon monoxide which also ruins the atmosphere and harms respiratory organs.
