Answer:
a chemical change is a change that changes the substance into a whole new substance.
Examples include: burning wood, a banana peel rotting, milk souring, and even your food/drinks digesting.
Answer:
a pure substance consists only of one element or one compound. a mixture consists of two or more different substances, not chemically joined together.
Explanation:
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Answer:
Energy in the United States comes mostly from fossil fuels: in 2010, data showed that 25% of the nation's energy originates from petroleum, 22% from coal, and 22% from natural gas.
Explanation:
It is really self explanitory
A chemical property is any of a material's properties that becomes transformed during and after a chemical reaction occurs. Some common examples of chemical properties are; flammable products, toxicity, and heat of combustion.
Hope I could help! :)
