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My name is Ann [436]
3 years ago
7

The rdas are considered to be adequate to meet the known nutritional needs of

Health
1 answer:
kakasveta [241]3 years ago
3 0

Answer:

All healthy people

Explanation:

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Eating lower on the food chain I. would decrease the energy lost from feeding grains to livestock. II. refers to humans eating m
MrMuchimi

Answer:

All of the above (I, II, III)

Explanation:

Plants (grains) are mostly the organisms found low the food chain, while humans are found at the topmost trophic level on the food chain. Cattle, sheep and goats could be referred to as primary consumers while grains (plants) found at the bottom of the food chain are primary producers. In the food chain, the amount of energy passed from one trophic level to another decreases as only about 10% of energy at a particular trophic level is passed on to the next trophic level.  

When humans who are at the topmost trophic level of a food chain feed on primary producers (plants) instead of primary consumers (cattle, sheep), we refer to this as eating lower on the food chain.

When humans eat lower on the food chain (i.e. rely majorly on plants), more grains and agricultural crops would be available for human consumption as a result of less land and grains that would be required to be fed on by primary consumers (cattle, sheep, goats). For example, 1 hectare of grain crop is used to feed cattle, and the cattle is fed on later by humans. If humans feed on grain crops directly instead of feeding on cattle, the 1 hectare of grain crops can serve almost times two of the human population that initially feed on cattle. Less cattle would be kept as humans feed low on grains, which means, more grains would be available as there would be less cattle that would be reared for human consumption. Also, energy lost would be decreased, as more energy gotten directly from the grains would be more than what humans would get when they feed on primary consumers (cattle) that feed on plants .

  • Eating lower on the food chain, which refers to humans eating more primary producers than primary consumers (II), would decrease the energy lost from feeding grains to livestock (I), and could increase grain and agricultural crops available for human consumption (III).
7 0
3 years ago
Brianna bought 6 packs of gum. Each pack contained a dozen sticks of
maria [59]

Answer:

72 sticks of gum

Explanation:

6 0
3 years ago
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Sexually transmitted infections are widespread in the United States. 
Tpy6a [65]

Teens compared to older adults, sexually active adolescents 15-19 years of age and young adults 20-24 years of age are at higher risk for acquiring STIs for a combination of behavioral, biological, and cultural reasons


Hello everyone my name is Nevaeh, I know everyone needs help in some way, shape, or form and i am willing to provide. I set up a google classroom where people can ask me questions and get help on work. No question is a stupid question so do not be afraid to ask. I usually only focus on core subjects but if you ask i will help with other specialized subjects. I can do essays all the way to power points :)

My google classroom is Brainly help the code is 7hr2k4

6 0
3 years ago
What is the tightening and relaxing of the uterus
faust18 [17]

Answer:

Labor contractions are the periodic tightening and relaxing of the uterine muscle, the largest muscle in a woman's body. Something triggers the pituitary gland to release a hormone called oxytocin that stimulates the uterine tightening.

I hope it's helpful!

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3 years ago
What should you do before you begin CPR?
kipiarov [429]

Answer:

Before doing CPR you are suppose to call 911 for help.

Explanation:

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