The use of radioisotopes as tracers in medical and environmental ...

[sjones]

The use of radioisotopes as tracers in medical and environmental research takes advantage of the fact that isotopes
 
  A) generally behave identically in chemical and physical processes.
  B) generally behave differently in chemical and physical processes.
  C) have different masses.
  D) none of the above

Question 2

Wet hair is softer because water disrupts
 
  A) disulfide bonds.
  B) hydrogen bonds.
  C) peptide bonds.
  D) cationic bonds.

[laurnthompson]

Answer to Question 1

A

Answer to Question 2

B

[sjones]

Wow, this really help

[Dnite]

YES! Correct, THANKS for helping me on my review