What properties greater hardness in minerals?
a. smaller atoms and stronger bonds
b. larger atoms and weaker bonds
c. larger atoms and stronger bonds
d. smaller atoms and weaker bonds

Which of the following statements best distinguishes a hypothesis from a theory? a. theories are hypotheses that have been proved. b.hypotheses are guesses; theories are correct answers c. hypotheses usually are relatively narrow in scope; theories have broad explanatory power. d. theories are proved to be true; hypotheses are often contradicted by experimental results.