A) yes- definitely! many mental disorders are genetically motivated
b) yes! a mental disorder can be a result of for example child abuse
so we already see that d. must be the correct answer.
As for physical factors, I think head trauma could be a good example.
The <span> governor would be the answer</span>
Matching hypothesis is the idea that you are more likely to make friends or be attracted to someone who is on a similar level of attractiveness as you. So, a extremely attractive person is going to be attracted to others that are extremely attractive. A average looking person will be more attracted emotionally and/or romantically with another average looking person.
The Gupta empire.........
So the question is asking on which of the following choices are the reason why the Indus Valley civilization decline and base on my research, I would say that the answers would be A. The surrounding land was severely deforested , C. Irrigation made the soil salty and unfit for farming and D. <span>Disease reduced the population. I hope this would help </span>