Why does PET have a higher sensitivity (measured count rate per unit activity) compared to SPECT?

In the Article Summary 2 assignment, what was one of the reasons why inflation has not declined faster? (The same answer you gave in the assignment for part 2. The question asks about the main point of the NYT article (the article on the assignment page).)

What is the pH of a iron(II) hydroxide, Fe(OH)2, saturated solution? Hint: The Ksp for Fe(OH)2 is 1.6 x 10-14. Hint: Assume the metal cation does not affect pH and ignore the contribution of water autoionization to the overall .

What is the pH of a iron(II) hydroxide, Fe(OH)2, saturated solution? Hint: The Ksp for Fe(OH)2 is 1.6 x 10-14. Hint: Assume the metal cation does not affect pH and ignore the contribution of water autoionization to the overall .

Interest paid on reserves held at the Fed: 

In the Article Summary 2 assignment, what was one of the reasons why inflation has not declined faster? (The same answer you gave in the assignment for part 2. The question asks about the main point of the NYT article (the article on the assignment page).)

On an amyloid PET imaging scan of the brain, which of the following findings is most consistent with pathologic deposition of Beta-amyloid?

On an amyloid PET imaging scan of the brain, which of the following findings is most consistent with pathologic deposition of Beta-amyloid?

On the figure, the organism with the largest number of genes is  

On the figure, the organism with the largest number of genes is