Which statements are true concerning mineral formation? Check all that apply.The slower the cooling, the larger the crystals. The faster the cooling, the smaller the crystals.Crystals formed from magma are smaller than crystals formed from lava.Minerals can only form in solutions when the solution is heated deep underground.When a solution cools, elements and compounds leave the solution and crystallize as minerals.Minerals formed from hot water solutions can form narrow channels in the surrounding rock.

Slower cooling gives crystals more time to grow, while rapid cooling produces smaller crystals, so A is true. As a solution cools, dissolved elements and compounds can crystallize out as minerals, making D true. Hot-water solutions can deposit minerals in cracks and narrow channels in surrounding rock, so E is also true. B reverses the usual size relationship: magma cools slowly underground and generally forms larger crystals than lava, which cools quickly at the surface. C is false because minerals can form from solutions in settings other than deep underground.

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