What decade was the continental drift theory accepted by the scientific community because of the discovery of plate tectonics?

What were the main features of the aristotelian-ptolemaic model of the cosmos

Read the excerpt below and answer the question. obierika was a man who thought about things. when the will of the goddess had been done, he sat down in his obi and mourned his friend’s calamity. why should a man suffer so grievously for an offense he had committed inadvertently? (p. 125) based on the context clues, the best definition for the word “calamity” in the excerpt above is disaster sadness luck indifference

List a few examples of city-states that practiced oligarchy in ancient greece