Which is the best activity for measuring cardiovascular endurance? Group of answer choices

Football game

Marathon

40 yard dash

Weight lifting competition

Which factor is capable of influencing your sense of self? options: a) social environment b) intelligence c) profession d) social standing

Does gender play an important role in the 6 components of health

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?