C.) the process of bone remodeling ceases
the reason is because you don't reach full bone density till you are mid twenties and bone remodeling decreases from that time depending on how you preserve your bones.
There is proof of it. Such as fossils, records, videos, etc. Dinosaurs and Thylacines for example. Both of these have been extinct for quite some time. Although there is footage of some Thylacines there isn't any of any Dinosaurs. However, there is fossils and bones found from Dinosaurs. There has been fossils from many extinct animals dating back millions of years, therefore proving its a common event through history.
I think it might be C because a 3500 calories is one pound so if he wants to lose 15 pounds half of 3500 is 1750 so if he'd be in a diet of 500 calories intake a day that would accomplish his task or even make it expanded and lose even more weight depending on what he eats.
Mean arterial pressure is the mean arterial pressure in one cardiac cycle. In several case mean arterial pressure is a better indicator for therapy.
Mean arterial pressure calculated by : (2x systolic pressure + 1xdiastolic pressure) /3
In this case it would be (2x120 + 1x70)/3 = 310/3 = 103mmHg