The boundary between the mantle & this layer is called the Mohorovicic Discontinuity
In the 1920s, Julius Nieuwland polymerized acetylene, added chlorine atoms & created this synthetic rubber
The acceleration of falling objects varies from place to place because of variations in this force
It's the ratio of the amount of water vapor in the air to the amount the air can hold at that temperature
They're the 2 lines of latitude lying 23 1/2 degrees north & south of the Equator
It's the property of a body that opposes an electric current moving through it
A parasitoid differs from a parasite in that this eventually happens to its host
Developed by Edward Jenner, the first true vaccine was designed to protect against this disease
Nearly twice as sweet as sucrose, this fruit sugar is the main sweetener in honey
This gas, symbol Xe, is used in stroboscopes & high-speed camera flashes