Which best describes the three general groups of elements?

Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !

Determine the reaction and balance the following equations urgent due in the morning