The lines that run from the top to bottom through the North and South poles is called the Prime Meridian.
When observational data are being collected, the observer’s
presence may cause a person to behave differently, a phenomenon known as reactivity.
<span>
To add, </span>reactivity<span> <span>is a
phenomenon that occurs when individuals alter their performance or behavior due
to the awareness that they are being observed. The change may be positive or
negative, and depends on the situation.</span></span>
Imaginary war is a psychological warfare but in the brink of using nuclear warfare such as what happened during the cold war. They stopped using massive soldiers and be taken to alliance countries. The political benefit is power although they are just giving words it's already in the thin line of instigation. However, this created a negative impact on the people that anytime they are not sure if they would still live or not.
A theory is an interrelated, coherent set of ideas that helps to explain phenomena and make predictions.
<h3>What is theory?</h3>
Theory consist of various ideas that are related.
It is often used to explain a process, phenomena or an idea situation.
Theories are postulated by scientists for various observations and reasoning.
They are principles that explain a group of facts and it is used to explain things or happenings.
Therefore, A theory is an interrelated, coherent set of ideas that helps to explain phenomena and make predictions.
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Longevity of the individual is increasing in the given cultures
<u>Explanation:
</u>
The research report in the publication reveals that the average age of human beings has been extended from the prescribed longevity. Genetically the longevity of human beings is calculated according to region and their habitation.
Due to the medical revolution and invention of medical equipment has given the salvation for diseases which were not in the olden days. Because of the medicines and medical support gadgets, longevity is extended. Due to this extended life bone of the 90% of old age people got affected by osteoporosis in which bone density becomes very fragile.