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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Answer: A- unlucky or unfortunate; pitiable
Explanation: The words around it help me figure out the meaning!
The bicycle that belonged to the boy was stolen by the same thief who had previously taken the toy from the girl. (vote me brainliest!)
The answer is D, since it asks for inequality in politics