What is the (niosh) weight limit for materials handling

You are awaiting the white blood cell differential results for a patient who presented with a ruptured appendix and peritonitis. which type of leukocyte do you expect to be most elevated over its normal value?

The nutrient facts label on a food package lists the following: iron 50%. what does this figure indicate?

Is psychology a science? use evidence form the article to explain you answer.