The book Dianetics really answers what stress is and how it affects people. I suggest you read this book or go to Dianetics.org to find the truth.
Subjective apex
a particular threat or stressful situation, triggering an automatic response to protect the individual from harm or negative emotions.
explain why a square i always symetric
No, there is always conflict and controversy over taxonomic classification of organisms, if not all organisms.
pure substance
The homozygous recessive individual is used in a test cross to determine the genotype of an individual with a dominant phenotype but unknown genotype. When crossed with a homozygous recessive individual, if any offspring display the recessive trait, it indicates that the unknown individual is heterozygous for that trait.
Why the price mechanism is not always efficient at delivering public goods, merit goods and de-merit goods
Taxonomic classification is not always certain due to ongoing research and new discoveries. As our understanding of species and their relationships evolves, classification systems may change. Additionally, different taxonomists may have varying opinions on how organisms should be classified.
I always work individual
Genetic mutations are not always harmful to the individual. A few may be beneficial.
It is always an irrational number.
By convention the binomial Latin names are always italicized.