Answer:
Whole grains contain all parts of the grain kernel. ... But refined grains, like the flour used to make white bread, have had the fiber-dense bran and the nutrient-rich germ processed out, leaving only the starchy endosperm.
Explanation:
Answer:
they allow researchers to know how closely the sample resembles the target population. ... As such, researchers know the percentages of the population based on race, gender, age, education, and a whole host of other demographic characteristics.