Column 1: World
It is the smallest continent in the world by land area.
Australia
This is the only planet in our solar system known to support life.
Earth
He is the co-founder of Microsoft and a well-known philanthropist.
Bill Gates
This is the fastest land animal in the world.
The Cheetah
This fruit is famously used to make traditional Italian pizza sauce.
Tomato
This is the largest country in the world by land area.
Russia
This river is the longest in the world, flowing through Northeastern Africa.
The Nile
This city is known as the "Big Apple" and is the most populous city in the USA.
Mount Everest
This European city is famous for its canals and is the capital of the Netherlands.
Amsterdam
This is the highest mountain peak on Earth.
Mount Everest
This gas makes up about 78% of the Earth's atmosphere.
Nitrogen
This is the hardest natural substance found on Earth.
Diamond
This planet is often referred to as the "Red Planet."
Mars
This organ is responsible for pumping blood throughout the human body.
The Heart
H2O is the chemical formula for this essential liquid.
Water