Looks like c is the answer
Obviously because everyone needs water lol
It’s most likely A, pet dander.
If the inside of your house is being polluted by gasoline and asbestos you’ve probably got some serious issues.
Hope this helps.
Answer:
i. The Delian League was formed.
ii. The Peloponnesian War began.
iii. A plague broke out in Athens.
iv. Athens lost its ruler and its power.
