Aplicația este accesibilă de pe ecrane late

Soil or stone that is damaged and removed by the waves, rain, or wind little by little.
The process by which a plant uses carbon dioxide from the air, water from the ground and the energy from the light of the sun to produce oxygen.
A hard substance that forms the branches and trunks of trees and can be used as a building material, for making things or as a fuel.
Very big or large.
A substance that is used to provide heat or power, usually by being burned.
Two organs in the chest with which people and some animals breathe.