16historyDuring which President's term in office did each of these historical events occur? a British captured Washington, D.C. b. Panama Canal opened to traffic? c. After the Russians invaded a foreign country this President reacted by imposing a grain imbargo aShow AnswerLearn MoreShare
19historyIn 1940, seven months after the outbreak of World War II, Winston Churchill replaced which person as British prime minister?Show AnswerLearn MoreShare
4mathematicsA "perfect number" is one in which the sum of the divisors of the number add up to the number. The first "perfect number" is 6, because its divisors are 1,2,3. What is the second perfect number?Show AnswerLearn MoreShare
14current eventsWhat is the biggest holiday of the year for florists in this country?Show AnswerLearn MoreShare
11governmentCan you name the last four sitting Presidents who lost bids for re-election for a second term?Show AnswerLearn MoreShare
18peopleRichard and Pat Nixon had two daughters. Can you recall their first names, and the names of the two men they married?Show AnswerLearn MoreShare
50current eventsIn December 2025, a new manta ray species, Mobula yarae, was confirmed in what ocean?Show AnswerLearn MoreShare
8generalWhat gas do plants absorb from the atmosphere during photosynthesis?Show AnswerLearn MoreShare
18otherIn 1920 Vladimir Zworykin invented something which has had a profound impact on almost all the inhabitants of the world since then. What was it?Show AnswerLearn MoreShare
16scienceWhich planet has the shortest day of any planet in our solar system - only 9 hours and 55 minutes?Show AnswerLearn MoreShare
16historyThe years between 1650 and 1750, in which European thinkers exhibited rational thought and optimism in human development, has been named two different ways. What are they?Show AnswerLearn MoreShare
2wordsIt is a 3-dimensional art creation and a city in Alabama. What is it?Show AnswerLearn MoreShare
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