Mark is an orthopedic surgeon. He has been asked to conduct a seminar for middle-aged individuals on bone density. During the seminar, he informs the audience that they should include a lot of fruits and vegetables in their diet as they are known to increase bone density in middle-aged and older adults. Required:
What facts best supports Mark's advice?

Aresearcher conducts a focus group to learn about attitudes towards hygiene and disease prevention. two weeks after the focus group, the researcher learns one of the subjects had a heart attack at home and was hospitalized, but made a full recovery. based on dhs regulations, the researcher report this event to the irb? no, this does not need to be reported since the subject had the heart attack when they were home, not at the focus group.no, this does not need to be reported since it is unrelated to participation in the study.no, this does not need to be reported because two weeks have passed.no, this does not need to be reported since the subject recovered.

What greek scientist created a screw to move water for irrigation?

Abrief, "first-step" presentation of a work to be completed is called a