We can deduce here that the arrow on the map that points to an air mass moving toward a cold front is: H 1029 - 1018
Cold front actually refers to the boundary that shows a mass of cold air advancing. It goes towards the sector of a low-pressure.
We see that the arrow that is moving from the region of high pressure to the region of low pressure and has blue lines is the answer.
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I would say D. Fossil fuels must be burned to release their energy.
Answer:
Sorry bro I didn't understand
