Answer:
In operant conditioning, food is considered a primary reinforcer because it is a biological need that reinforces behavior naturally. Eating satisfies a need for hunger so food is automatically reinforcing. In other words, the need to satisfy one's hunger motivates behavior naturally. Money, on the other hand, is a secondary reinforcer because the value of money must be learned and associated with a primary reinforcer such as a need to achieve or succeed. Once the value of money is learned, it can be a very effective method of reinforcement.
Explanation:
Got a 100
Answer:
The statements that CORRECTLY describe the "space race" era;
C. The Soviet Union was the first country to send a human into space.
D. The United States was the first country to land a human on the moon.
E. The United States is the only country to have ever landed a human on the moon.
Space Race is a competition of space exploration between the United States and Soviet Union.
Space exploration began in the early 1950s.
On October 4, 1957 Russia Launches Sputnik satellite into space and Yuri Gagarin was the first human to go into space in the year 1961 on the 12th of April.
marco polo is correct answer.
The average distance between our star and earth is 149.6 million kilometers.
