Answer:
solar energy will be used by many countries in the world in the future
The definition of sloth would be laziness, unwillingness to work or act.
Two context clues are the word "idleness" and the phrase "doing of nothing". Idleness may mean boredom, but also dullness. Doing of nothing clearly supports the notion of not working, not acting.
The first sentence is correct.
Answer:
I feel like they are really irritating.