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