| Group 10 | Group Name : Impact 10 |
| Group Members : Aafreen, Chern Wey, Elaine, Aloysius, Brenda, Yan Qing |
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| 1.
Yes, it is a concern because water is a greenhouse gas. Hence, it has the potential to cause global warming. Too much of it released in the atmosphere will lead to a greenhouse effect, causing environmental problems. |
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| 2.
Fossil fuels are formed as a result of photosynthesis that took place millions of years ago. Solar energy is a necessary ingredient in the formation so the energy stored in chemical bonds in fossil fuels originally was from the sun. |
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| 3.
Firstly, it requires a lot of energy to electrolyse water. Moreover, pure water is required for the process and this is hard to obtain especially since it is costly to purify water. Lastly, water is a precious resource that is scarce in certain regions. Hence, it might not be a viable means to obtain hydrogen. |
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