What is an addictive tocsin in tobacco that stimulates the pleasure centers of the brain

What is the maximum number of electrons that an atomic orbital can contain?

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

Define a is a tiny pavket of energy