Based on the fact that Ravi has to brush a certain amount of times, he most likely suffers from obsessive-compulsive disorder.
<h3>What does obsessive-compulsive disorder lead to?</h3>
When a person has OCD, they will engage in repetitive actions because they believe that not doing so can lead to further problems.
Ravi therefore engages in the repetitive action of brushing a certain number of times, because if he doesn't do so, something bad might happen.
Find out more on obsessive-compulsive disorder at brainly.com/question/7578271.
#SPJ
Answer:
D. developmental milestones
Explanation:
Developmental milestones -
It refers to the physical skills , qualities or behaviors that are observed during the growing years of an infant , is referred to as development milestones .
Developmental milestones is also known as specific normative
There are range for every milestone of the stages of developments , like , crawling , walking , speaking etc .
There is some variable age group , where the child leans various activities .
Hence , from the given statement of the question ,
The correct option is D. developmental milestones .
I believe the answer is b. Continued friendship with other countries
Is it possible to avoid it? Yes I believe so for certain well developed countries with many resources.
For smaller, underdeveloped countries it would prove possible if population willing to go without the certain product or service. If they have never had it they won't miss it.
That question has many factors to consider.