Which sentence is punctuated correctly?

Which sentence is punctuated correctly?
 A) Many employees will be facing layoffs, in the meantime, some are seeking retraining through the company's strong educational incentive.
 B) Standardized tests are often used by schools to measure student success; however, they are often criticized as discriminating against minorities.
 C) Our Los Angeles office will be closing, therefore; employees must either retire, transfer to another branch, or accept a severance package.

Ques. 2

Bulleted lists are effective for showing the sequence of items on a slide or transparency.
  Indicate whether the statement is true or false

Ques. 3

Which sentence is punctuated correctly?
 A) We collected many signatures, then we submitted the petition.
 B) We collected many signatures; then we submitted the petition.
 C) We collected many signatures; then, we submitted the petition.

Ques. 4

If visuals are not done well, they may detract from the presentation.
  Indicate whether the statement is true or false

Ques. 5

Which sentence is punctuated correctly?
 A) We offer our customers free returns, consequently customers feel more comfortable making purchases online.
 B) We offer our customers free returns; consequently, customers feel more comfortable making purchases online.
 C) We offer our customers free returns; consequently customers feel more comfortable making purchases online.