Author Question: Infrared luminescence is used to do what? a. Detect whether two different inks were used in the ... (Read 103 times)

Mollykgkg

  • Hero Member
  • *****
  • Posts: 529
Infrared luminescence is used to do what?
 
  a. Detect whether two different inks were used in the writing of a document
  b. Reveal writing that has been erased
  c. Prepare ink for thin-layer chromatography
  d. Both a and b

Question 2

The writing characteristics of a person may be altered by whether:
 
  a. paper is ruled or unruled.
  b. pencil, ballpoint, or fountain pen is used.
  c. the author sits or stands while writing.
  d. All of the above


Carissamariew

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

Answer: d

Answer to Question 2

Answer: d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

For a complete list of videos, visit our video library