an area, often covered with sand or rocks, where there is very little rain and not many plants

a flash of bright light in the sky that is produced by electricity moving between clouds or from clouds to the ground

a reptile with a long body and no legs

the measured amount of heat in a place or in the body

an extremely large wave caused by a violent movement of the earth under the sea

very hot

to fill or become covered with water, especially in a way that causes problems

animals and plants that grow independently of people, usually in natural conditions

a small animal like a mouse with wings that flies at night