They are prokaryotic cells....
It causes pollution
It can cause loss of life
C. They are able to be divided by a chemical reaction.
The nurse should respond BY APPLYING GENTLE PERINEAL PRESSURE.
Application of gentle perineal pressure will prevent the excessive rapid expulsion of the foetus head which can cause perineal laceration in the mother.
Shearing is a stress that pushes mass in two different directions.
Hope this helped!