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Answer: C) nonmetal</h3>
This element has 8 protons, so element is oxygen. I recommend looking at the periodic table of elements. At standard temperature and pressure (STP), oxygen is a gas, so that puts it in the nonmetal category.
Side note: Metalloids are a collection of elements where they share properties of metals and nonmetals (in a way they're on the fence).
3,500-680= 2,820 feet
2,820+725= 3,545 feet
ANSWER:
3,545 feet
If I understand it correctly then its complementary angle will be 115˚, because 180-65=115.
