Care este sensul cuvantului trebusoara in textul aminintiri din copilarie

Ishmael wants to go on vacation with his friend's family. what's the best way he can persuade his parents to say yes? a he can tell them that he will be sad and stay in bed if he can't go. b he can explain that the vacation will be educational and safe. c he can say that he'll hate his parents if they don't let him go. d he can ask them for the money that he needs for the trip.

Effective decision-making means comparing the additional costs of alternatives with the . total costs diminishing utility marginal benefits

Metals are good conductors due to the presence of many