Balanced chemical equation :
1 Cu + 2 H2SO4 = 1 CuSO4 + 2 H2O + 1 SO<span>2</span>
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C. The mass number is the amount of Protons and electrons there are combined, so 200 - 80 is 120.
I believe the best description comparing the structure of carbohydrates and nucleic acids would be A.
Answer:
Magnitude
Explanation:
Astronomers define star brightness in terms of magnitude (how bright the star appears from Earth)