Answer:
Too much sitting-affects the back and makes our muscles tight
Carpal tunnel and eye strain-moving your hand from your keyboard to a mouse and typing are all repetitive and can cause injuries
Short attention span and too much multitasking-As you use a computer and the Internet and get immediate answers to your questions and requests, you become accustomed to getting that quick dopamine fix. You can become easily frustrated when something doesn't work or is not answered in a timely matter.
Answer:
(a) Correlated.
Explanation:
Correlated subquery :These sub queries reference columns from outer table or uses values from outer query.These sub queries are processed atleast once for every row processed.So because of this reason correlated sub queries can be slow.Since the query in the question also uses value from the outer query so it is a correlated query.