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