Robert thinks that as long as he wears a medallion his mother gave him, he is safe from harm. This is an example of a

Belief.

Explanation:

Belief is the act of thinking or attitude that what has been said is bound to be true or come true. It involves having faith or acceptance in thinking or expecting something to be true.

In the given condition, Robert holds on to the belief that the "medallion his mother gave him [will keep him] safe from harm". This means that he has full faith and accepted that he will be safe from any harm as long as the medallion is with him. This is an example of a belief.

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 !

i believe your answer is mountains.