Answer:
The correct answer is option c. RD.
Explanation:
RD stands for Registered Dietitian. A registered dietitian has the appropriate knowledge and expertise and can be considered a subject matter expert in this case, hence they are likely to be a reliable source of information relating to food and nutrition.
DM is a doctor of management or medicine in some cases.
MD is a doctor of Medicine.
RN is a registered nurse.
MS is a master of science.
A. Tornado
A rotating, funnel-sgaped column of wind moving at speeds between 110 and 200 miles per hour
B. Hurricane
An intense storm that begins over tropical waters and includes heavy rain and strong winds.
I'd have to say d. the hand, because every human (for the most part, no offence intended to anyone) has a hand and is able to make good (or bad, rather) use of it. It's what a person always has access to at any given time or place, even if they don't have access to one of the other options.