The correct answer is (A)
Burning of wood is a chemical change as new substance is formed during the burning of wood which is not reversible.
Now, what happened during the burning of wood?
In the case of burning wood, stored potential energy( in the form of chemical energy) in the log is released due to heating by other excited atoms. This chemical reaction is called combustion that requires oxygen. We can also say that combustion is change of potential chemical energy into kinetic energy in the form of heat.
Pet dogs should be classified as omnivores because, since they are tamed, their body will need nutrients from both meat and plants.
Answer:
1 - some animals may fall into more than one living environment.
2 - I would put a penguin in the water since they need it to survive even though they don't live in it all the time. A number of birds that live by the ocean also have dual environments they need to survive
Explanation:
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