The Nile is the longest river in the world.
True
The Sahara is the largest desert in the world.
True
Clouds are made of ice crystals
True
The Amazon is the largest forest in the world.
True
A waterfall is a flow of water.
True
An island is surrounded by land on all sides.
False
Fields are covered with trees.
False
A lake is a salt water.
False
Stars are part of our solar system.
False
The moon has a large amount of water.
False
A jungle is a dry, land with little vegetation.
False
A valley is a low area of land between two mountains.
True