Secondary reinforcers are learned or conditioned. An example of a secondary reinforcer is grades or money. Secondary reinforcers are learned and are reinforced by the continual use of the reinforcer. Primary reinforcers are biological and include food, drink, and pleasurable activities.
Marine biodiversity is in ever-greater danger
Answer:Assyrian Empire
Aqueducts in Mesopotamia
The first sophisticated long-distance canal systems were constructed in the Assyrian Empire in the 9th century BCE and incorporated tunnels several kilometres in length. These engineering feats permitted the aqueducts to be constructed in a more direct line between source and outlet.
Explanation:
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Here's the answer you gave me when I asked a question. Doesn't feel so good when someone takes your points, does it?
It would lead to a dangerously powerful national government. They cited the lack of a bill of rights as a dangerous omission<span>.
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