Question

1. what 3 molecules are in volcanic eruptions?

Explanation:

Volcanic eruptions release various gases. Water vapor is a major component from magma - water interactions. Carbon - dioxide is present due to carbonates in rocks decomposing at high temperatures. Sulfur - dioxide comes from sulfur - containing compounds in the magma.

Answer:

Water vapor (H₂O), carbon - dioxide (CO₂), sulfur - dioxide (SO₂) (common examples, there are other possible ones too)