You can catch the flu, but HIV you can't if its inactive, but you can catch the flu if it still active
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Answer:
Experiments can show cause-effect relationships
Explanation:
It means it’s the nutrients your getting for eating that food.
Answer:
d. "To prevent nutrient overdoses" is not a function of the Recommended Dietary Allowance (RDA)
Explanation:
The Recommended Dietary Allowance (RDA) is part of the system of nutrition recommendations which is the Dietary Reference Intake. The RDA considers the daily dietary intake level of a nutrient considered sufficient, so its function is to meet nutritional needs, to reduce risk of disease and to prevent nutrient deficiencies. However, to prevent nutrient overdoses RDA is not the right one to use. In that case Tolerable upper intake levels (UL) is the correct is the correct reference value to avoid excessive intake of nutrients. For example, vitamin A can be harmful in excesive amounts.
Answer:
Cross Sectional , Stratified Study
Explanation:
Research needed to gather primary data to compare attitudes towards energy brand between different ethnic groups : is Cross Sectional, Stratified Study .
Cross Sectional research is about studying various sample units at a particular point of time. Eg : Studying various ethnic groups at a point of time.
Stratified Study is based on sample drawn from various strata i.e sub population groups. It is a better representative sampling form, as encompasses all component groups of sample. Eg : Studying various subgroups (ethic groups) at a point of time.