Depression is a mental disorder that is classified as feelings of sadness, hopelessness, and despair that last more than a few weeks and affect an individuals ability to function properly. Depression is treatable and you should contact a trusted adult about it.
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L-dopa is effective against Parkinson's, but its enantiomer D-dopa is not. An enantiomers drug may not be equally effective. The enantiomer, in chemistry, is one of two stereoisomers that are mirror images of each other that are non-superposable, much as one's left and right hands are the same except for being reversed along one axis. It is also known as an optical isomer.
Answer:
d
Explanation:
prosocial behavior is the want, need and desire to help others
so it is not negative in nature but actually quite positive
