B) study of psychological disorders.
Answer:
A) determined by the environment
Explanation:
Answer:
There are four main types of chromatography. These are Liquid Chromatography, Gas Chromatography, Thin-Layer Chromatography and Paper Chromatography. Liquid Chromatography is used in the world to test water samples to look for pollution in lakes and rivers.
A and B would work. In developed countries, women have less children, as the education system is better. Also, the same is for B.