<span>The most appropriate way to determine is to run a group of people doing the calorie-restriction diet and do an hour of aerobic exercise three days per week as your control group, while also running three separate groups for the people who restrict caloric intake, just exercise, and people who do neither.</span>
I can't see the last codon, but from what i see ( the first 2) it looks like D but it could be C
Option c carbon hydrogen and oxygen
B-Kidneys
The kidneys act as filters that strain urea and excess salts from the bloodstream to release them in the urine.