Which question is statical? a. how many pets does each of my friends have? b. how old is your grandmother’s pet? c. how much does my mother’s pet weigh? d. how many veterinarians are in my town?

I would say the answer is "c"

the law of definite proportions states samples of a compound will always contain the same proportion of elements by mass. in other words, a given compound will always contain the same elements in the same proportions by mass.the law of multiple proportions states when two elements combine with each other to form more than one compound, then the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.