Answer:
Disease models of dependence
Explanation:
Substance-related disorders as a disorder which involves drugs that directly activate the brain reward system, that is feeling of pleasure. It can also be explained as the mental changes which are produced through the use of substances like drugs.
It should be understood that ,this disorder usually occurs through the abuse of banned substances, like drugs, e.g cocaine and alcohol.
Substance-related disorder can also be referred to as substance-induced disorder.
Disease models of dependence can be described as being addicted to substances of biological and environmental sources of origin.
In this case, substance-related disorder is caused through of being addicted to substances like drugs.
Answer:
the answer would be A
Explanation:
Areas controlled by the Romans were peaceful.
Well constructed roads made traveling easier.
The common language made it easier for people from different parts of the empire to communicate.
I believe it's A. If the birth rate and immigration is equal to the death rate and emigration, then they balance each other out. If birth rate and immigration is bringing people in and death rate and emigration is pushing people out, then they equal 0.
The constant is the light source and the pennies are the controlled i think.
