In general, survey research is a. weak on reliability and strong on validity. b. strong on reliability and strong on validity. c. weak on reliability and weak on validity. d. reliability and validity are not issues that concern researchers who use the survey technique. e. strong on reliability and weak on validity.

People,women beliefs,food customs family social along the north and northwest coast there are some springs and aquifers that arab nations but also from india pakistan southeast asia and america

Ifound the exercise on the internet. attached is the list mentioned above.in order for a compound to be considered optically active it can't have any axis or plan of symmetry. the molecule  shouldn't also  be superimposable on its mirror image.with such considerations, the compounds that are optically active are: -third compound on the first image is optically active; -second and third compound from the second image are optically actives.