hydrogen can be created by blank water. If the activation energy is reduced, hydrogen can be produced with a renewable energy source. this renewable energy source is blank. ​

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Explanation:

Hydrogen can be created by splitting or decomposing water. If the activation energy is reduced, hydrogen can be produced with a renewable energy source. This renewable energy source is solar energy.

During electrolysis, an electrical current is passed through water, which causes the molecules to break up into their components.

2 H2O + electrical energy (+ heat energy) ⇒  O2 + 2 H2

Water (H2O) is also split by light during photolysis in plants as part of the process of photosynthesis, into H+ and OH-. Solar energy, emitted by the sun, is readily obtained and replenished for hydrogen production.

Learn more about Photosynthesis at brainly.com/question/4216541  

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Answer:decomposing and solar energy

Explanation: