Which process represents a physical change? Roasting a marshmallow over a camp fire Bubbling due to an antacid tablet in vinegar Melting chocolate in a pan on the stove Bruising of a banana’s skin after dropping on the floor.

Why does his teacher ask him to balance the equation by including the correct coefficient

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.

When the mercury level in a barometer decreases that atmospheric pressure has