Si nanowires were synthesized via vapor-liquid-solid growth method using gold particles. In your EDX spectrum, you observe a significant amount of oxygen signals, which you are certain are coming from the Si nanowires. What do you think happened to the Si nanowires?

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve

How many atoms of nitrogen are in the chemical formula ni(w on

What is a view of science and psychology that says the value of knowledge depends on its usefulness? a. pragmatism b. psychotherapy c. physiology