It helped increase population. Before agriculture, people roamed around and
gathered what they could to survive.
Later on, they learned how to grow their plants and raise their own
livestock, they decided to settle down.
This led to the growth of communities and the start of civilization.
Human
trafficking is another type of slavery wherein the humans are traded for sexual
slavery, forced labor, or commercial sexual exploitation, etc. It affects the
victim because (1) they feel they are the bad people, (2) been traumatized
again and again and (3) they already forget to live peacefully.
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Often the last step of the scientific method is to make the findings available so that other researchers can repeat, or predict the outcome of the research
Explanation:
(a) Experimental unit
A person or an object, or some well-defined body or item on which some treatment is applied
(b) Treatment
Combination of a values of factors. These are explanatory variables.
(c) Response variable
The qualitative variable or quantitative variable in which the researcher wants to determine how the value is affected by any explanatory variable.
(d) Factor
It is the variable whose influence on a response variable can be assessed by the researcher.
(e) Placebo
An innocuous treatment, like a sugar tablet, which looks, smells and tastes like an experimental medication.
(f) Confounding
The effect of the two factors cannot be distinguished.
