Natural gas is comprised of methane with small amounts of ethane,propane,butane and pentane.
The simpler molecular structure of natural gas enables a clean burn, so it's combustion does not produce solid particles or sulpher. It is used for heating,cooking,electricity generation and fuel for some cars.
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The correct answer is A. X<3
Please let me know if is right.
Answer:
change in amount of liquid, change in smell or color, bubbling, foaming, fizzing
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Answer:
search up previous benchmarks online, thats a good way to study
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