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Natalka [10]
3 years ago
5

Adriana is writing a report on substances that cause changes in psychological activities such as sensation, perception, attentio

n, judgment, and memory. The chemicals in these substances are often associated with changes in conscious experiences. These substances are referred to as:
Social Studies
1 answer:
m_a_m_a [10]3 years ago
5 0

The correct answer is psychoactive drugs

Drugs considered psychoactive substances are those used to produce changes in sensations, degree of consciousness or emotional state, whether intentionally or not.

The changes caused by these substances vary according to the characteristics of the person who uses them, which drug is used, in what quantity, the expected effect and the circumstances in which it is consumed.

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Copernicus's challenges to accept science ultimately helped bring about the Scientific Revolution. In what way did he challenge
Sati [7]
He challenge the medieval view of science because he insisted that the sun was the center of the Universe

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hope this helps
4 0
3 years ago
Read 2 more answers
Calculate the fractional saturation for hemoglobin when the partial pressure of oxygen is 72 mm Hgmm Hg. Assume hemoglobin is 50
kiruha [24]

Answer:

<em>0.964 or 96.4 %</em>

Explanation:

Hemoglobin is the red component of the red blood cell, it combines with oxygen to keep the body functional. The fractional saturation of hemoglobin is usually computed graphically but the hill equation gives a more specific value.

Calculations:

The hill equation can be expressed as;

Y_{O_{2} } =\frac{(P_{O_{2} })^{h}}{(P_{_{50} })^{h}+(P_{O_{2} })^{h}}

 Where Y_{O_{2} } is the fractional saturation of oxygen =?;

            P_{O_{2} } is the partial pressure of oxygen = 72 mm Hg;

           P_{_{50} is the partial pressure of oxygen when the hemoglobin is 50%    

                 saturated  = 24 mm Hg and;

            h is the Hill coefficient = 3.

Substituting the values into the expression above we have;

Y_{O_{2} } =\frac{(72 mm Hg_{_{} })^{3}}{(24 mm Hg_{_{} })^{3}+(72 mm Hg_{_{} })^{3}}

Y_{O_{2} } = \frac{373248}{13824 + 373248}

Y_{O_{2} }  = \frac{373248}{387072}

Y_{O_{2} } = 0.964

Therefore the fractional saturation is 0.964 or 96.4 %(multiply by 100)

3 0
4 years ago
Was the Renaissance a continuation of or a separate era of the Middle Ages?
Pepsi [2]
The Renaissance is considered a period of time that is a bridge from the Medieval Times and modern history. It happened at the end of the Middle Ages, so we can technically say it is a separate era than the former, because things changed drastically. The Renaissance was a cultural movement where there was a general widespread educational reform. There were many innovations in art and development in science and diplomacy.
8 0
3 years ago
Regarding the structural powers of the Governor of Texas, how do they compare with the powers of other state governors?
viva [34]

Answer:

Texas governors are weak, compared with other governors, and they must share political power with other executive leader (the plural executive), with the legislature, and with an array of state agency leaders who may not be appointed by or controlled by the governor.

Explanation:

7 0
3 years ago
What do you mean by active participation of people​
lapo4ka [179]

Answer:

active participation is a way of working thats supports an individual's rigth to particapate in the activities and relationships of everyday life as independently as possible.the individual is an active partner and their own care or support rather than being passive.

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