A psychologist conducts phone interviews asking many people what types of stress they experience during the day. The method he is using is called:. a. the clinical method
b. a survey
c. the experimental method
d. archival research

You can drink laxative, or  do this exercise when you are sitting in the bathroom on the toilet. to relieve  constipation  fast or in about 1 minute, pinch your nose after your usual exhalation. start holding your breath. but do not mouth breath during this just hold your breath. 

It allowed for things to be produced much more quickly and efficiently