First opened in 1900, this subway system has been called the lifeline of Paris.
The Métro
Br: A possessive adjective
Mine (Bromine)
The Sahara Desert derives its name from an Arabic word meaning this.
Desert
Money paid to release one from the hoosegow.
OR
a large bundle of goods.
Bail/Bale
A small dog-pulling vehicle made from the element with the symbol Pb and used to travel on snow.
Lead Sled
Reaching speeds of up to 200 miles per hour, Japan's shinkansen are better known by this name.
Bullet Trains
K: This Russian news agency.
TASS (Potassium)
The Declaration of Independence and the Constitution were both signed in this Philadelphia hall.
Independence Hall
An adjective meaning twofold.
OR
A deadly contest.
Dual/Duel
This is a Trotsky noble gas.
Leon Neon
Rad Power and Aventon are popular brands of these.
E-Bikes
Mg: This Roman martyr, patron saint of young girls.
Agnes (Magnesium)
The ocean that surrounds Antarctica in the Southern Hemisphere goes by these two alternate names.
Southern and Antarctic Oceans
A warning on the links
OR
What Vier means in German
Fore/Four
Auric growth of fungi.
Gold Mold
In 2002, Porsche spiced up its line of vehicles with the introduction of this model, its first SUV.
Cayenne
P: This solar deity
Horus (Phosphorus)
What we call the "magnetic" this attracts the north magnetic poles of compass needles, so it's actually a south magnetic pole.
Magnetic North Pole
To quote an author.
OR
The location of a proposed building.
Cite/Site
A person looking to purchase the metal with the symbol Cu.
Copper Shopper
The national airline of Poland is known by this 3-letter name.
LOT
Sb: A title name from Shakespeare.
Timon (Antimony)
A 2016 Forever stamp marked the 250th anniversary of the repeal of this act.
The Stamp Act
An insect.
OR
To hurry away.
Flea/Flee
A beverage made with the metal whose principal ore is sphalerite.
Zinc Drink