Question

select the correct answer from each drop-down menu. hydrogen can be created by cooling, decomposing, filtering water. if the activation energy is reduced, hydrogen can be produced with a renewable energy source. this renewable ene

Explanation:

To produce hydrogen from water, a chemical process that breaks water (H₂O) into hydrogen (H₂) and oxygen (O₂) is needed. Decomposing means breaking down a compound, which fits (cooling doesn't break water into H₂, filtering separates substances without breaking bonds).

Answer:

decomposing