Which equation is used to find the density of a solid? mass + volume

mass * gravity
weight = gravity
volume * weight

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

How does a large body of water, such as the ocean, influence climate?

How many moles of oxygen react with 12 moles of aluminum