Answer:
(A). Cross-sectional
Explanation:
A cross-sectional research design is used to collect information on a single variable at a particular time, from different population groups with similar characteristics.
In this case, the research variable being studied is depression, while the individuals are grouped according to ages.
The first English settlement on any island in the west Atlantic is the result of an accident. Castaways from an English vessel, wrecked on its way to Virginia<span> in 1609, find safety on Bermuda. When news of the island reaches England, a party of sixty settlers is sent out (in 1612).</span>
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Cos(pi/2 - x) = sin(x). sec(x) = 1/cos(x), so the left side would be sinx/cosx = tanx. So it checks out.
Alright, basic research basically means finding out an answer to fill in the knowledge that people don't have or we have while applied research basically means to seek the question with an answer and solve the problem. hope this explains it :))
In social experiments Location, age of patient or test subject, time of day, and gender of either party can play a big role in results and when changed alter the results making them dependent.
