Answer:
the first one which is A
Explanation:
the burning of fossil fuels causes both air pollution and water pollution
Quero pontos mesmo veu que cu descylapa moçe
Answer:
Upper H superscript plus, plus upper O upper H superscript minus right arrow upper H subscript 2 upper O.
Explanation:
i just took the test , i hope this helps:)
False. elements in the same period have the same number of shells while elements in the same group have the same number of valence electrons.
