Often mistaken for gold, this pale yellow, glistening, metallic mineral is called pyrite, iron
pyrite or "Fool's Gold." Its chemical name, however, is iron sulfide (FeS.) and it can be
produced by heating iron and sulfur. The iron reacts with sulfur to produce the final
compound. What is the word equation and Chemical Equation ?

No table found. the question asks for covalent bond based on electronegativies

The independent variable is the type of music.the dependent variable is the pulse rate.the intervening variable is the age of the subject.if the mother does not like rock, her pulse is likely to not increase.the same might be true for the sister.the friend may like rap and gets excited.to establish cause/effect relationship, all of the subjects must be consistent.hope i .

What are the activitys?   sorry if this took your points : (