Are called general education requirements, some of those subjects include mathematics, natural science, literacy and world languages!
Welding in confined spaces or on stainless steel generates Hexavalent Chromium a very toxic chemical.
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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It should be noted that if a diploid sperm fertilized an haploid egg the result be a single 2n diploid cell called the zygote.
<h3>What is a zygote?</h3>
In fertilization, zygote can be regarded as a fertilized egg cell which form as a result of the union of a female gamete and a male gamete (sperm).
It is found during the embryonic development of humans and other animals.
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