Meat powder elicits salivation in dogs. Pavlov discovered that when he rang a bell before presenting meat powder to dogs, the bell would eventually come to elicit salivation without being paired with the meat powder. After being paired with the meat powder repeatedly, the bell becomes a/an ___.

Unconditioned stimulus/ unconditioned response

Explanation:

answer; ///the declaration of independence;

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 !