Is this just in general or in a certain area?
Igneous rocks are rocks that form from magma, or they crystallize directly from a liquid.
Metamorphic rocks<span> form from the heating and pressurization of rock that is already solid.</span>
The passive transport of water is specifically called osmosis.
Answer: 2
Explanation: The balanced equation would be: Na2O + H2O -> 2NaOH, meaning that the product (sodium hydroxide) has 2 moles of oxygen atoms.