Answer:
biopsychologists and others who study the brain and nervous system, such as biologists and biochemists.
Explanation:
The more people and the more economic growth in an area, the better products to trade for and the easier to trade
<span>a reinforcement is the precise rules that are used to present (or to remove) as some may use it but others use it to punish</span>
<span>A classification level must be assigned to information when that information is determined to be classified. A classification level indicates the relative importance of classified information to national security and thereby determines the specific security requirements applicable to that information. Clearly defined classification levels are essential to an effective classification system</span>
