What if the following methods is least effective for measuring body fat?

a. the bod pod
b. underwater weighing
c. bmi index
d. bioelectrical impedance

Will treating a viral infection with antibiotics affect the course of the infection? a) no; antibiotics work by inhibiting enzymes specific to bacteria. antibiotics have no effect on eukaryotic or virally encoded enzymes.b) no; antibiotics do not kill viruses because viruses do not have dna or rna.c) yes; antibiotics activate the immune system, and this decreases the severity of the infection. d) yes; antibiotics can prevent viral entry into the cell by binding to host-receptor proteins.

Someone with my pe hw i need it for tomorrow

How can participating in a water activity by yourself could be dangerous even if it is a simple activity that you frequently do.