ozone layer, a layer of gas high in the sky that protects the Earth from the Sun, shield, something that protects from danger, ray, a narrow line of light or energy that comes from the Sun, chemicals, substances used in factories or products, reduce, to make something less, mines, places where people take minerals from the ground, factories, buildings where things are made.

Leaderboard

Visual style

Options

Switch template

)
Continue editing: ?