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Alexeev081 [22]
3 years ago
13

Alcohol and other psychoactive drugs affect which parts of the brain? #1. primitive brain #2. reasoning center of the new brain

#3. neocortex #4. old brain
Biology
1 answer:
pogonyaev3 years ago
8 0
The part of the brain which is affected is reasoning center of the new brain. Drinking alcohol also decreases motor function and slow reaction time, this is why when a person is drunk, he/she may not be able to stand or walk a straight line. Psychoactive drug or psychotropic substance is a chemical substance that acts primarily upon the central nervous system where it alters brain function resulting in temporary changes in perception, mood, consciousness and behavior.
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The half — life of nickel is 96 years. How much of a 30-gram sample is left after 270 years?
-Dominant- [34]

The amount of the 30 gram-sample that will remain after 270 years is 6.61 grams

<h3>How to determine the number of half-lives </h3>

We'll begin by obtaining the number of half lives that has elapsed. This can be obtained as follow:

  • Half-life (t½) = 96 years
  • Time (t) = 270 years
  • Number of half-lives (n) =?

n = t / t½

n = 270 / 99

n = 2.8125

<h3>How to determine the amount remaining </h3>
  • Original amount (N₀) = 30 grams
  • Number of half-lives (n) = 2.8125
  • Amount remaining (N) =?

The amount remaing can be obtained as follow:

N = N₀ / 2^n

N = 30 / 2^2.8125

N = 6.61 grams

Learn more about half life:

brainly.com/question/26374513

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1 year ago
Drag the tiles to the correct boxes to complete the pairs.
Rzqust [24]

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3 years ago
Which nutrient helps to regulate body temerature?<br>Carbohydrates<br>Minerals<br>Proteins<br>Water​
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Minerals would be a reasonable explanation to this scenario

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tatiyna
Circulatory system: 

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It is our blood that carries these necessary nutrients, hormones, and oxygen. All these components trigger certain processes that keep other organs functioning. It also plays a role in eliminating waste by carrying them to the necessary organs that will filter them out. Without a way to dispose of waste, the body will eventually die.
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What happens in the process of translation? how do the three types of rna work together to build a protein?
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