Earth
Ruby and sapphire are gem forms of which mineral?
More Questions from Earth
Which of these is a soil that is better to grow plants in?
Reveal Answer
What did ancient farmers probably use to tell the passing of seasons?
Reveal Answer
What two countries lie on opposite sides of the Juan de Fuca Strait?
Reveal Answer
Hanging valleys may occur in all of the following ways except?
Reveal Answer
Sudden flooding caused by heavy rain is called what?
Reveal Answer
What is the most photographed, painted, and scaled mountain in the world?
Reveal Answer
What theory proposes that Earth's landmasses were once connected and drifted apart?
Reveal Answer
What is a meteoroid called if it lands on the Earth's surface?
Reveal Answer