How can flooding be beneficial for agriculture

Government powers not provided to the national government in the us constitution but are rather given to the states by the 10th amendment is called?

What was the most important consequence of the large-scale ecological changes in africa two hundred thousand years ago?

What happened during the victorian age? a. all social classes lived near each other b. the middle class became much larger c. city populations began to decrease d. families continued to go to work together