Fish first then Apes then Humans
The theorist who believed that children learn language when they are reinforced by parental attention was B.F.Skinner.
B.F.Skinner was a celebrated American psychologist who advanced the behaviorist theory of learning. This theory is based on the idea that learning occurs through a method of ‘conditioning’, which when stimulus, rewards, and punishments are combined to drive the learning process.
The conditioning relies on what Skinner calls reinforcement. Reinforcement is of two types, namely positive reinforcers, which are the rewards after meeting a target, and negative reinforcers, which refers to the unpleasant consequences of failing to meet the target.
Actions that are followed by negative reinforcers tend to weaken, while those followed by positive reinforcers tend to be repeated. For example, children can be encouraged to learn language if they receive consistent positive reinforcement from their parents every time they learn a new word or phrase.
To learn more about B.F. Skinner : brainly.com/question/10580861
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Explanation:
Nuclear capabilities abound in Europe, and nuclear intentions can be hard to decipher. On one side, Ukraine's attacker, Russia, has the largest stockpile of nuclear warheads in the world, including superiority in tactical nuclear weapons designed for battlefield use.
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They would trade grains oils and textiles for timber wind and metals and stones
The Union of the individual countries: England, Scotland, Wales and Northern Ireland is known as the United Kingdom
The Union Jack flag is described as a blue field with the red cross of Saint George (St George is the patron saint of England) edged in white
It also consists of the diagonal red cross of Saint Patrick (St Patrick is the patron saint of Ireland)
The flag is then superimposed on the diagonal white cross of Saint Andrew (St Andrew is the patron saint of Scotland)
The correct name for the flag is the the Union Flag, but it is commonly referred to as the Union Jack
The Union Jack Flag, particularly the Blue Ensign is the basis for a number of other flags including many Commonwealth countries and their constituent states or provinces as well as British overseas territories
