Answer: The correct answer is- B. observation of healthy individuals.
Adequate Intakes (AIs) can be described as an average value of daily nutrient intake, which is based on experimentally derived approximate value of nutrients for a group of healthy people.
They correspond to the average requirement of nutrients ( such as carbohydrates, fats, proteins) that are essential for a healthy lifestyle of an individual.
Thus, option B) is the right answer.
Lamarck believed that an organism that adapted to change would pass that adapted trait to it's offspring. he was incorrect because those changes dont get passed on through genetics
Through simple repairs of a home, 14 percent of water from leaking plumbing could be saved.
Since your question is talking about repairs of a home, a faulty plumbing system is definitely at fault when it comes to mismanagement and waste of water, our most vital natural resource.
Answer:
Option B, O2
Explanation:
It is because the oxygen released during the process of photosynthesis comes from the water absorbed by the roots and not by the CO2containing heavy oxygen (18O). In fact oxygen from CO2 containing heavy oxygen (18O) is used in making sugar which is then stored for energy.
Hence, option B is correct