Obsessive-compulsive disorder has a(n) genetic basis. weak
strong
immeasurable
moderate

Strong

Explanation:

Obsessive-compulsive disorder (OCD) is a psychiatric condition that affects both children and adults. In the last years, it has been shown that genetic and environmental factors contribute to the etiology of this disease. By applying genetic mapping techniques, different genes were observed to be associated with OCD. Moreover, it has also been discovered that OCD is a trait that has a complex pattern of inheritance (i.e., it is a quantitative trait). However, it is important to note that more research is needed to fully understand how genetic factors influence OCD condition.

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.