A student was asked to demonstrate a chemical change to the class. A candle was lit and as it burned the student explained that the shorter length was evidence of a chemical change. This explanation is not complete. The student should also include which of the following in his explanation? A. Color change
B. Solid formation
C. Heat given off
D. Heat taken in

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.

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule

Gasoline has a density of 0.740 g/ml. if you have 328 grams of gasoline, what is the volume in milliliters?