1. lab investigator: chemical reactions cannot be used for

building and balancing chemical equations.
gathering information about elements.
viewing any chemical reaction in a laboratory.
viewing some chemical reactions in a laboratory. < -- my answer

2. select all that apply

magnesium is

dangerous to look at when it burns. < -- my answer
found in freshwater lakes. < -- my answer
used in photography, fireworks, and flares. < -- my answer
a compound made up of two separate elements.

3. the result of a chemical reaction is called

the reactant.
the element.
the compound.
the product.