What early method of criminal identification is based on the fact that every human being differs from every other one in the exact measurements of their body, and that the sum of these measurements yields a characteristic formula for each individual?

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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the vibration from the sound waves messed with the glass and it shattered.

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