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sergiy2304 [10]
3 years ago
5

There can be multiple comparison groups in a randomized trial. a. True b. False

Biology
1 answer:
kirill115 [55]3 years ago
7 0
The answer is true. Of all the numerous ways research can be directed, the best quality level of evidence where medications and treatments are concerned is the Randomized Controlled Trial. A Randomized Controlled Trial is a test or study directed such that whatever number wellsprings of predisposition as could reasonably be expected are expelled from the procedure.
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What are the responsibilities of the region of the brain highlighted below? a. Controlling voluntary body movements, processing
Sever21 [200]

Controlling voluntary body movements, processing information from sense organs, thoughts, and learning abilities.


7 0
3 years ago
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A student has a hamburger, french fries, and soda for lunch. Which sequence represents the correct order of events in the nutrit
ira [324]

Answer:

the correct order of events in the nutritional processing of this food is ingestion- digestion- absorption- egestion.

Explanation:

1.) Ingestion involves taking food, drink, or another substance into the body by swallowing to aid in digestion.

2.) Digestion involves the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma.

3.)Absorption involves the in take of the digested food into the bloodstream

4.) Egestion involves the removal of undigested food substance from the body.

3 0
3 years ago
1. How do you know if a molecule is organic?
gregori [183]

A compound is organic if it contains carbon covalently bonded to other atoms. Most often, the other atoms include hydrogen, oxygen, and/or nitrogen. A few carbon compounds, such as simple oxides (e.g. CO2) and cyanides (e.g. KCN) are excluded arbitrarily.

4 0
3 years ago
Fuels are substances that "burn" to produce energy. List several fuels.
denis-greek [22]
There are many fuels that produce energy. Some are:
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- Nuclear Energy
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- Oil / Gas
Hope this helps!
7 0
3 years ago
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Use the drop-down menus to complete each sentence.
suter [353]

Answer:

The correct answer would be - 1. group 2.period 3. less 4. more

Explanation:

elements that have a place with same group contains same number of valence electrons. Thus, they will in general show comparable chemiccal properties.  

At the point when we move over a period at that point number of electrons get added to a similar shell. Therefore, there will be no expansion in size of elements.  

Additionally, metals are the elements that have a place with group 1, 2 and d-block group are otherwise called metals. Metallic character of elements diminishes when we move left to directly in a periodic table.  

As most responsive metals are put on the left half of occasional table.  

Since, size of elements increases on descending the groups. Along these lines, a elements can lose its valence electrons due to the less forrce of ttaraction between valence electrons and its neucleus.

7 0
3 years ago
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