or log in
Karst formations include dolines and dripstones.
When masses of cold and warm air meet, weather fronts develop.
Water covers about 71% of the Earth’s surface. But why are there two types of water on Earth,...
A glacier is a large body of ice that forms from snow, and is in constant, slow motion.
Natural gas and petroleum are among the most important sources of energy and raw materials today.
Földünk felszínének egyhetedét elfoglaló sivatagok kialakulása, éghajlata, felszínformálása.
Still waters take various forms on the planet. Let’s take a look at how we can group them.