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Air provides a push on the whirligig that is opposite to the pull of gravity. This opposing push is called air resistance or drag. Scientists call pushes and pulls on objects forces.
The horses and the superior weapons
In the given context Dr, Anderson should use cross sectional research approach to fulfill his requirements.
<h3>What is research?</h3>
Research is referred to as the creation of a new concept based on experiments and deep study of the concept verified by the sources to use it professionly.
The cross-sectional approach of research helps the researcher to measure all the outcomes of the study at the same time. This will be used to identify the different traits of the participants of the research.
Dr. Anderson wants to study the development of depression based on age and gender which reflects two traits of personality, so he should use the cross-sectional approach of research to receive outcomes at the same time.
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B) overtime, any given word can disappear from a language or acquire a new meaning.