How would you make a 30% ethanol solution?

What effect does nuclear radiation have on atoms?

What layer of the atmosphere is directly above the troposphere?

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