Answer:
A. Obsessive compulsive disorder (OCD)
Explanation:
If he washes his hands everytime he touches something, it means he has the fear of the dirt and germs from those objects. He is obsessed with being clean so he washes his hands all the time.
The easiest way to do this is to set them up as equivalent fractions, and to solve for x.

x=6
He could be demonstrating nationalism
Answer:
a. Equity theory
Explanation:
Equity theory: The equity theory is based on the concept that people usually get motivated through fairness, and in case a person finds inequity in either output or input ratios of himself or herself concerning the significant or referent group, then the person will seek to adjust accordingly to get perceived equity.
The motivational theory that most closely correlates with your actions is equity theory.
Neuro-correlational Approach: Links measures of cognitive performance with brain structure functioning.
What is the brain Maintenance theory?
At the heart of the term brain maintenance is the notion that between-person differences in how well preserved people's brains are as they age can explain between-person differences in within-person changes in cognitive ability in aging [8].
What is cognitive reserve?
Cognitive reserve refers to individual differences in how tasks are performed that may allow some people to be more resilient than others.
The concept of cognitive reserve holds out the promise of interventions that could slow cognitive aging or reduce the risk of dementia.
Learn more about cognitive research here:
brainly.com/question/14637728
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