Which is an example of erasure that may occur when forging a document, such as a note? answers: 1. removing the original text or signature with a razor blade 2. changing characters with ink of a similar color 3. pressing upon the paper to make writing on papers beneath 4. covering the original text with a material

4. covering the original text with a material 

There are four main types of forgery.

1. blind forgery, the  type  that is easiest  to detect because the forger has no sample of signature to be forged thus forged signature it is  not close to  a genuine signature

2. simulation, this is where the forger has a sample of the signature to be forged.

3. covering the original text with a material then tracing the signature, and

4. Optical transfer with the use photocopier, scanner or photography.

1. dermis

2. chemical

3. urine

4. viruses

5. antibodies