7. Which phase changes require a gain of energy (heat)? a. melting and freezing
b. sublimation and vaporization
c. vaporization and condensation
d. sublimation and deposition

Against his financial advisor's advice, frank has decided to invest his money in some risky stocks because he once made quite a bit of money in the stock market. his decision illustrates a. the representativeness heuristic b. overconfidence c. the availability heuristic d. confirmation bias select the best answer from the choices provided