Explanation:
proletral is the best definition
If this child has not yet achieved object permanence, <u>she will not look for the cheerio</u>: Option A is correct.
According to the fundamental concept of developmental psychology, object permanence describes the ability of<em> a child to know that objects continue to exist even though these objects cannot be heard or seen physically.</em>
When a child has not yet achieved object permanence, it means they have <em>not reached the stage to know that objects can continue to exist </em>even though these objects cannot be heard or seen physically
Based on this, a child that a cheerio was hidden from him/her no matter the position of such object will <u>not bother to look for the Cheerio</u> since they have not reached the stage to know that objects can continue to exist.
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The answer is B. Economic.
In sociology, the terms industrial, pastoral, and pre-industrial, are used to describe different types of societies that have existed throughout history. This categorization is based on the main economical activity of a society and there have been pre-industrial societies, and pastoral societies. However, the term economic society doesn't exist because every society, no matter its main economical activity, has had its own economic system.
