2 The study of biometrics is not as simple as other fields of study about the body. Why is it more difficult to understand the role of energy in the body than other elements, like hormones? OA. Most basic principles of energy do not apply to the body. B. The body uses energy when in motion but not while at rest. OC. Some systems in the body require energy while other do not. OD. The body is very complex, so energy moves many different ways. Reset Next​

For years, tobacco products have included a message from the surgeon general warning the negative effects of tobacco use. at this time, a push is being made for the fda to begin to regulate e-cigarettes in order to mandate warning labels and age restrictions. write a paragraph that identifies 2 health problems that have been linked to nicotine and/or tobacco use. you should include statistics demonstrating the incidence of problems among smokers and provide a resource citing where you found the information provided. (remember from unit 1 what makes a resource reliable.) due in 2