15. is a measure of how well a mineral resists scratching. (1 point)

the movie was based there, and all the animals and characters are native.

~courtney

if you mean hydrogen and oxygen then water is the product

there is none because earth is stationary and flat.

every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. therefore, there must be the same number of atoms of each element on each side of a chemical equation.