Luonnonvesiä
Luonnonvesiä refers to naturally occurring bodies of water on Earth. This encompasses a wide range of aquatic environments, including oceans, seas, lakes, rivers, streams, ponds, and groundwater. These water bodies are essential components of the planet's ecosystems and play a crucial role in supporting life.
Oceans and seas are the largest natural water reservoirs, covering over 70% of the Earth's surface. They
Groundwater refers to water held underground in the soil and pores and fissures in rock. It is