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nadya68 [22]
3 years ago
11

What are DRIs and why are they preferred? Why are they not on food labels?

Biology
1 answer:
Pie3 years ago
5 0

DRIs is the general term for a set of reference values or guidelines that are used to plan and asses nutrient intakes of healthy people. These values which vary by age and gender include: 

- Recommended Dietary allowance (RDA): average daily level of intake sufficient to meet nutrient requirements of about 97 - 98% of healthy people.

-Adequate intake (AI): established when evidence is not sufficient to develop an RDA and is set at a level assumed to ensure nutritional adequacy.

- Tolerable Upper Intake (UL): Maximum daily intake unlikely to cause adverse health  effects.

DRIs are not necessarily found on labels because there is no law requiring that they must be placed there.

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Does the oxygen that exits photosynthesis enter as CO2? Explain.
liubo4ka [24]

Answer:

Yes

Explanation:

Plants extract CO2 from the air and also use sunlight and water as the reactants of the process photosynthesis. Photosynthesis then produces Glucose and Oxygen. Oxygen is rid of the plant.

8 0
3 years ago
What obstacles did Gerald ford go through
Mila [183]
<span>Challenges:
1. Vietnam
2. The worst economy since the Great Depression
3. Communist Europe (the Helsinki Accords)
4. Richard Nixon

One month after taking over the presidency, Ford pardoned Nixon. This caused a lot of controversy but Ford claimed he did it to save the nation from the prospect of a long, messy, and divisive trial.
In 1974, President Ford also offered clemency to those who evaded the draft during the Vietnam War if they would swear allegiance and perform two years of public service. Similarly, those who deserted during the war could return for two years in the branch they left to achieve clemency. However, Ford was criticized both by those who felt he was being to easy on the draft dodgers and those who had avoided the service because they felt they were in the right.

In 1974, Ford asked for aid to be sent to South Vietnam as fighting had resumed. Congress would not agree. In April 1975, Saigon fell and by 1976, North and South Vietnam were united into one country.

Ford escaped two assassination attempts, both by women. First on September 5, 1975, Lynette Fromme, a follower of Charles Manson, pointed a gun at him but did not fire. She was convicted of attempting to assassinate the president and sentenced to life in prison. The second attempt on Ford's life occurred on September 22, 1975 when Sara Jane Moore fired one shot that was deflected by a bystander. Moore was trying to prove herself to some radical friends with the assassination of the president. She was convicted of attempted assassination and sentenced to life in prison.</span>
8 0
3 years ago
Use a Venn diagram to compare physical systems with social systems.
r-ruslan [8.4K]

Answer:Physical systems differ from social systems because a physical system refers to systems that rely on a group of physical parts to perform a function. Examples of a physical systems are solar systems or even an animals digestive system. Social systems are systems like an ant colony, wolf pack, or a town.

Explanation:

8 0
3 years ago
The first two steps in the lithification process are:
Natalka [10]

Answer:

The answer is D

Explanation:

6 0
3 years ago
Why do major arteries squirt blood when cut, while veins bleed with a slower steadier rate?
scZoUnD [109]

Answer:

Arteries at at a higher pressure than veins.

Explanation:

Arteries receive blood after the heart beats, putting them at a higher pressure. They are also thicker than veins as well.

5 0
3 years ago
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