Keep an active calendar because then you will be able to manage your time, do the things you love and get distracted from stress<span />
That would be called evolution or in more scientific terms: T<span>he change in the inherited characteristics of biological populations over successive generations. :p
Hope this helps!
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The answer is (D), because none of the other answers make sense
For purposes of making a prediction, the underlying reason for a correlation does not matter. As long as the correlation is stable–lasting into the future–one can use it to make predictions. What a correlation does not tell you is why two things tend to go together.
