Which is a balanced single replacement reaction? A 3 Mg + 2 H20-3 MgO + 2 H2
B. 2 Mg + 3 H20—2 MgO + 3 H2
c. 2 Mg + H20—2 MgO + H2
D. Mg + 2 H20 — 2 MgO + H2
E. Mg + H20 — MgO + H2

What causes different colors to appear in the sky? the absorption of light by air molecules the reflection of light by bodies of water the greenhouse effect in earth's atmosphere the scattering and reflection of light by dust particles