<span>It
is necessary to increase the energy intake, while always respecting
good food practices, that is to say balance, diversity and moderation. Moderation
does not apply here to the quantities, but rather to certain nutrients,
with regard to the risks they pose to health. <span>There is no need, for example, to make excess fatty acids. </span>To
gain weight, one must reverse the energy balance, that is to say,
consume more calories than one spends, but always respecting the balance
of food, that is to say variety, and <span>Moderation with respect to certain nutrients harmful to the organism. </span>Focus on energy-dense foods. Starchy
foods, cereals, legumes, whole milk products, sweet desserts,
chocolate, dry fruits and oilseeds (nuts, hazelnuts, almonds ...), fatty
fish. <span>Beware of butter, fatty meats, cream and hydrogenated fats of certain industrial products. </span>Multiply meals. <span>To
avoid overloading the stomach with the main meals, it is advisable to
plan 2, or even 3 snacks, morning, afternoon and evening: dried fruits
or seeds, whole milk yoghurt, buttered bread.</span></span>
3) C (It is a randomized, controller trial. there's a section on it and a randomized, controlled trial chart. Also it's more of a trial than study (says so at the end)
Explanation: I would say B because the other explanations do not make any sense. They stray away from the topic, and it only makes sense to wash, rinse,and sanitize the cutting board before using it. This it ensures that there are less germs on the cutting board, because the washing rinsing, and sanitizing killed a large portion of those germs. That meaning Juanita wont be making contaminated food.
I hope this answer can help you. I am so, sorry if i got this wrong, but let me know if it is right :)
Explanation: I know this because the muscular system helps push air come into and leave the respiratory system through the contraction and relaxation of the diaphragm, which is a muscle.