Wood, when dry, stores chemical energy. This chemical energy is released as the wood burns, and it is converted into heat, or thermal energy. This also produces light energy. As a result of burning, the wood turns into an entirely new substance - ashes. Wood, a form of fuel with lots of potential energy stored in its covalent bonds, will react with molecules of oxygen in the air in a dramatic chemical reaction we call fire. The complex molecules in the wood have 'high energy' covalent bonds, as do the molecules of oxygen.
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I think number the first one iss grape fruit and the other one is cerebellum
Answer:
I think its organic material from plants and animals
Explanation
Edge 2020
Answer:
your right!
Explanation:
i had something like this and i got a 100% on my exam the evolution issue was sometime in the 1990's.