Answer: amm srry I don't get this can u explain the question a little bit more for me?
Explanation:
Adults start to seek a relationship with another person during Stage 6 of Erikson's theory. Stage 6 is called Intimacy vs. Isolation. Adults start to worry about finding the right life partner and worry about spending the rest of their lives alone.
They vanished into Extinction
C. They made it easier to perform calculations.
Answer:
law of diminishing marginal utility i hope this helps<3
Explanation