When asked to imagine playing tennis, a noncommunicative patient exhibited that was similar to that exhibited by a healthy person?

The Answer is "Brain activity".
A non-communicative patient exhibited brain activity that was similar to that exhibited by a healthy person.
This is an example to show that non communicative patients (the patients that do not talk or impart information) can also show the sign of consciousness, there are many forms of consciousness.

every society, in order to meet the needs of it's people, has to answer three basic questions:

- what should we produce?

- how should we produce it?

- for whom should we produce it?

this questions must be answered in order to, option b, aid in production decisions.

every country can't produce everything, no matter how rich their land is. it may be a matter of technology, resources or geographical conditions. so, these three questions must be resolved in order to get the most of the production of each land.

hope this !