The x-rays that occur when a high energy electron beam is ...

[Shelles]

The x-rays that occur when a high energy electron beam is incident on a metal target will show what type of spectrum?
 a. continuous
  b. line
  c. continuous spectrum superimposed with a line spectrum
  d. absorption

Question 2

You would expect to find the least number of fossils in rocks from the
 
  A) Cenozoic era.
  B) Mesozoic era.
  C) Paleozoic era.
  D) Precambrian era.

[at]

Answer to Question 1

c

Answer to Question 2

Answer: D

[Shelles]

Excellent

[Joy Chen]

Thanks for the timely response, appreciate it