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Retake Quiz Challenge Friends
1. How do you keep a lemon from getting mouldy?
It prevents oxygen from getting to the lemon.
2. What's useful for cleaning a cooking grid?
The essential oils of the onion are a fat solvent.
3. What does the ORAC-value on groceries stand for?
It stands for Oxygen Radical Absorbance Capacity.
4. If you publish a new children's book in Norway, then
5. Which novelty from England might soon make streets safer?
6. What can cause back aches?
7. Why does the body temperature of astronauts in space increase?
8. What happens, if you put a copper spiral over a candle flame.
The spiral takes heat from the candle, so the temperature sinks below the combustion temperature of wax.
9. The Mercator projection makes sure that
10. It takes more than 400 years to
There are almost 150.000 hotel rooms in Las Vegas
11. What's special about a cone snail?
12. What do most robotic lawn mowers come with?
It's a boundary wire which is recognized by the robot.