Answer: Odysseus is considered a hero because he played a role as King of Ithaca. Odysseus was known for thinking himself out of tough situations. That is why he is a hero.
Explanation:
It is 4. because it says in the paragraph and I quote: "helium has a very low density. it is used in daily weather balloons to carry instruments that record, tempature, humidy, and pressure readings in the atmosphere.
Answer:there is nothing I can say but amazing if I could do this I would be more popular so yes it is great keep doing stuff like this you will become an author in no time seriously hope this helps
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