The diagram shows a device that uses radio waves.
What is the role of the part in the diagram labeled X?
Х
O modulate, amplify, and send out waves
O capture, amplify, and demodulate waves
O change the amplitude and frequency of waves
o change the pulse and phase of waves

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