Quiz 10 Answers
- Neutrinos. They were proposed in 1930, but the first neutrino wasn’t actually detected until 1956.
- Copper and zinc.
- It was late! A leap second was added at midnight on 31 December 2008 to bring our clocks into line with the Earth’s rotation.
- (a)
- For helping to control the weed prickly pear. Weeds cost our economy billions of dollars per year, damage ecosystems and threaten native plant and animal species.
