Carbon on Earth is found in both living and nonliving matter. In order for carbon to be continuously available, it must be recycled. Through which process is carbon made available in the atmosphere?

OPTIONS:
- formation of fossil fuels
- layering of soil
- plant photosynthesis
- forest fires
forest fires
Kol på jorden finns i både levande och icke levande materia. För att kol kontinuerligt ska finnas tillgängligt måste det återvinnas. Genom vilken process görs kol tillgängligt i atmosfären? Alternativ: - bildande av fossila bränslen - skiktning av jord - växtfotosyntes - skogsbränder
Coal on earth is found in both living and nonliving matter. In order for carbon to be available continuously, it must be recycled. By what process is carbon made available in the atmosphere? Option: - fossil fuel formation - soil layering - plant photosynthesis - forest fires
skogsbränder
forest fires