Which law in gas dynamics states that at a constant temperature, the pressure of a gas is inversely proportional to its volume?
Boyle's Law | Charles' Law | Gay-Lussac’s Law | Avogadro's Law
Something that is said to have a positive effect is known as a "shot in the ..."?
Foot | Arm | Dark | Back
Coal is composed primarily of which chemical element?
What primarily blocks the sun's ultra-violet rays from reaching the Earth?
Rainforests | Clouds | Ozone Layer | Mountains
The kiwi bird primarily uses which sense to hunt for food?
Touch | Smell | Hearing | Sight
What is a samovar primarily used for?
Brewing coffee | Boiling water for tea | Cooking rice | Steaming vegetables
Which European capital primarily sources its hot water supply from geothermal springs?
Oslo | Dublin | Reykjavik | Helsinki
