Sigmund Freud was an Austrian neurologist who gave Freud theory. Life instinct of Freud's theory includes survival, social cooperation, and reproduction.
<h3>What is life instinct theory?</h3>
The theory of life instinct by Freud is also called the theory of Eros. It deals with survival instincts, reproduction, and pleasure that drive hunger, pain, and thirst.
This theory is based on preservation that compels people to sustain and nurture through the situations to live a happy and healthy life. The behaviors included with life instincts are cooperation, love, and reproduction.
Therefore, the theory of life instincts includes survival, cooperation, and reproduction.
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The 1st row has 15 chairs.
The 2nd row has 15 + 3 = 18 chairs.
The 3rd row has 18 + 3 = 15 + 2•3 = 21 chairs.
The 4th row has 21 + 3 = 15 + 3•3 = 24 chairs.
The pattern continues, so that the n-th row has 15 + (n - 1)•3 = 3n + 12 chairs.
If there are 15 rows, then the total number of chairs is

where we use the formulas


Sticking the tongue on the flagpole is an example of negative reinforcement because it produces an unpleasant sensation. In consequence, this behavior will be avoided in the future.
Negative reinforcement refers to a phenomenon that allows teaching a particular behavior.
Negative reinforcement occurs when an uncomfortable and/or unpleasant situation is taken away as a reaction to a particular stimulus.
This process (negative reinforcement) involves discarding the negative situation in order to strengthen a particular behavior.
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Density = mass/volume. 5000/50= 100 grams per cubic centimeter. No substance on Earth has anywhere near that density. Tops is about 20 for osmium and gold.
The value of z is x(.20) = (.40)y