Answer:The Five Methods of Psychological Research
Naturalist Observation.
Survey Method.
Case Study.
Correlational Design.
Experimental Method. The subjects are carefully researched in their natural environment without interference by the researchers. While doing this, researchers should be inconspicuous, or for those of a lower reading level, unnoticed. Pros.
Explanation:
Dehydration ..................
<em>Hi,</em>
<em>Which practice contributes the most to land pollution?</em>
O A disposal of industrial wastes and household garbage
Since there are no answer choices, I am giving the answer that I think would best fill in the blank correctly. The best answer would be:
manipulating