What best describes the importance of the berlin airlift?

On a production possibility curve, data points that fall outside of the curve represent an inefficient allocation of resources. a balanced allocation of resources. ideal production. a currently unattainable production.

The incas used quipus to options -preserve there history -keep records of people and goods -decide when to plant crops -decide work amoung peasant familys

1a one-year-old child can classify animals and people. select the best answer from the choices provided ot