Answer:They are both necessary for organisms to survive
Explanation:
Answer:
Astatine and chlorine are halogens only
Nitrogen and sulphur are non metals only
Krypton (Kr) is noble gas only
Explanation: well you need electric to keep your self warm in the winter and cool in the summer with an A.C. and Heater witch both need electricity. however you dont need something like a videogame console to stay alive.
I would say fact checking so u know more than one side of history. Everyone has their own views so there will always be a bias
Civilization, Commerce, and Christianity
