The industrial revolution produced immediate improvements in public health services. true false

Can someone give me a hand with this one.

Investigator a has biological specimens that are coded and linked to identifiers of the source individuals. investigator a provides the specimens to investigator b but does not provide the individual identifiers. investigator b agrees not to re-identify the source individuals. is investigator b's research using the biospecimens human subjects research according to the definition of human subjects research in the federal regulations?

After expecting a loss in his family, simon cannot sleep and refuses to eat. what aspect of health is simon’s grief affecting? choose one physical mental social emotional