The answer is "<span>concrete operational thinking".
The concrete operational stage starts around age seven and proceeds until roughly age eleven. Amid this time, kids pick up a superior comprehension of mental activities. Youngsters start considering solid occasions however experience issues understanding unique or theoretical ideas.
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1. The loan.
2. The use of farming tools and technology.
3. Training and a focus on farming education.
4. The ability to water.
5. Farming together.
6. Research and new ideas.
7. The commercialization of farming.
8. The diversification of crops.
Answer:
C.) he believed Cortes was the Aztec god Quetzalcoatl
Explanation:
Answer:
Tuskegee.
Explanation:
As the exercise describes, one of the most shameful violations of research ethics to date, nearly 400 African American men from Tuskegee (later called the Tuskegee syphilis experiment) were not informed that they had been diagnosed with syphilis and were not provided with available, effective treatments for this illness. The aim of this study was to observe and analyze how syphilis proceded when untreated. So, this men were told they were being treated for free.
