How can a reader best decide if a scientific article is current?

This schedule shows the opportunity cost of producing doughnuts, bagels, and croissants. refer to the schedule and use the drop-down menu to answer each question. on day 2, raj makes 70 more bagels than on day 1. what is the opportunity cost of producing 70 more bagels? on day 3, raj makes 50 more croissants than on day 2. what is the opportunity cost of producing fifty more croissants?

Which two characteristics belong to mahayana buddhism. a. followers worship and offer animal sacrifice at festivals b. a followers highest aim is to attain the status of a bodhisattva c. an emphasis is placed on fulfilling sensual pleasure d. this form of buddhism is the most acient for od buddhism that exists today e. followers belive that everyone is capable of attaining enlightenment

What is a common factor all nonprofit businesses share? they pay no income tax. they have no capital. they are national in scope. they perform charitable acts.