The mangrovee is a tree that can be rooted in seawater.

Mangroves trees do not mind when their forests flood.

Mangrove trees can't take air from the roots that are still out of the water.

A mangrove tree can look like it is standing or walking in the water.

Mangrove tree can create fresh water.

There are about ninety species of the mangrove trees.

Mangrove trees are not important for the ecosystem around them.

Spices' merchants were attacked by angry tribes or demand payment to cross their lands.

Pepper is the number-one spice in the world.

Salt isn't a mineral. It is a spice.

Egyptians needed spices to make mummies of their dead.

Pince Henry went on trips of discovery.

Christopher Colombus sailed across the Atlantic Ocean looking for the Far East.

An oasis isn't a small body of water in the desert. The oasis may have trees or bushes.

There aren't cold deserts.

Foxes live in holes called caves.

The Sahara covers eleven countries across North Africa.

Large sand hills are called dunes.

The biggest animal in the Sahara is the camel.

The alpaca is smaller than the llama.