In 1826 the speed of sounds in water was first calculated in this largest Alpine lake.
What is lake Geneva?
In 1983 this company introduced the Lisa, the first commercial computer to feature a mouse.
What is Apple?
In books 1 through 4 of his "Elements", he covered the rudiments of plane geometry.
Who is Euclid?
With the familiar 4-note opener, his Fifth Symphony has been called "the most popular orchestral work ever written"
Who is Beethoven?
The cost to ride a bus or subway.
What is a fare?
Connecting the western Mediterranean Sea with the Atlantic Ocean is this narrow passage of water.
What is the Strait of Gibraltar?
This
What is a raspberry?
Two or more circles that have the same center point are said to be this, from the Latin for "together center".
What is concentric?
Our fifth president, he moved into a renovated post-torching White House.
Who is Monroe?
Extremely uncommon, or how some like their steak.
What is rare?
This river springs from 2 small streams in the Black Forest, the Breg & the Brigach.
What is the Danube?
The Bold 9000 was among this company's series of smartphones.
What is a BlackBerry?
You deserve straight As if you know that a straight angle has this many degrees.
What is 180?
This fifth book of the Bible ends with the death of Moses.
What is Deuteronomy?
Exercise rail used by ballet dancers.
Often described as the world's largest lake, it's the world's largest inland body of water and lies on the boarder with Asia.
What is the Caspian Sea?
A member of an air service confined to ground duty, or a New Zealander.
What is a kiwi?
When carried out to 5 decimal places, pi equals this.
What is 3.14159?
The first American in space, he would later become the fifth man on the Moon.
Who is Alan Shepard?
Grain for sandwich bread.
What is rye?
This longest Italian river is fed by 141 tributaries.
What is the Po?
This name of a fruit can also mean "highly desirable", it's often found before "job".
What is plum?
A quadrilateral with one set of parallel lines is called this.
What is a trapezoid?
You get a B if you know it's the fifth element on the periodic table
What is Boron?
For Mercury it's only 88 days long.
What is a year?