Answer: 3. variable ratio
Options:
1. fixed interval
2. fixed ratio
3. variable ratio
4. variable interval
Explanation: The variable ratio of reinforcement uses rewards to create a high and steady rate of response. The rate of reward for a target behavior is unpredictable so the rat does not know when its response will get a reward. It will keep responding until the reward is delivered.
The options listed above are schedules of reinforcement. They are schedules used in rewarding target behavior in Operant conditioning.
Western land claim which gave the new settlers a beacon of hope that they could make a future in the west.
The seminole was a Native American Tribe from florida. Seminole means a member of an American Indian people.
Answer: The answer is C: There were massive increases in production due to the use of crops better suited to advance agriculture.
Explanation:
"Green revolution" is a term used for rapid increases in crops especially 'wheat' and 'rice' yields in developing countries which was introduced to Mexico and India by Norman Borlaug and Ms Swaminathan in the early 20th Century. They used improved crop varieties combined with the expanded use of fertilizers and other chemicals to boost crop production in developing countries. The goal of the Green Revolution was to increase the yields of wheat and rice by improving agronomic technology. This helped developing countries to overcome food defects.