A) using the result of problem 4.8(a), compute the radius of an octahedral interstitial site in fcc iron. (b) on the basis of this result and the answer to problem 4.9, explain why a higher concentration of carbon will dissolve in fcc iron than in iron that has a bcc crystal structure.

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.

What are the two functions of the respiratory system