Science Quiz #720
A new science quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.
Q1. Which cloud formation is a sign of thermals?
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Q2. A proposal put forward in the 1970s that Earth and its biological systems are self-regulating is known as what?
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Q3. What is spoor?
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Q4. An aircraft flying at 40,000 feet can be heard to break the sound barrier when it achieves a speed of how many miles per hour?
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Q5. Origanum dictamnus, ironwort (or shepherd's tea), and Mount Juktas St John's wort are plants unique and indigenous to which country?
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Q6. What is the Pusa sibirica, found exclusively in Lake Baikal?
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Q7. In June 2010, 8 highly endangered monkeys (4 cottontop tamarins and 4 pygmy marmosets) were stolen from the Symbio Wildlife Park in which country?
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