d) column 2 and 3 is the correct option.
Explanation:
Force holding the galaxies together is gravity.
Types of matter will be similar.
Having an equal net income and outcome would result in a lack of profit thus making it attainable but not desireable
Older people have fewer negative emotions than a younger people. They have more emotional stability and well-being than younger persons, and may be more savvy at navigating interpersonal disagreements than younger people. Older people may pay more attention to the good and less attention to the bad, so when they experience a negative emotion, they may be able to recover more quickly than younger people.