Research is a type of research that describes various types of data collected through observational research methods.
A. Descriptive
B. Behavioral
C. Experimental
D. Predictable
Please select the best answer from the choices provided

True. you know, tools like shovels.

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.