The fact that adults born in the 1980s have higher adult iqs than adults born in the 1950s illustrates the effect. a. intellectual disability b. terminal drop c. flynn d. cumulative-deficit

C. Flynn Effect

The Flynn Effect is the tendency of IQ scores to rise over time. The steady increase in intelligence from generation to generation is proven by a consistent increase in IQ scores. For example, it’s likely that your great grand parent would have scored lower than you on the same IQ test, if you were tested at the same age.

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.