Kayt had carefully planned presentation aids for her speech on "quilting." she demonstrated how to sew together the squares by hand, which required her to concentrate on the quilt. what guideline for using presentation aids did kayt violate

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.

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