We use about 38 percent of Earth's land surface for agriculture.
Chat with our AI personalities
Because only 3 percent of the liquid water on Earth is use-able for drinking and agriculture. The rest of it is salt water which can not be used for either.
Often the very same way you would use electricity.
Shading is used to give objects a sense of form on a flat surface.
limestone is not used in Columbia because crevices are present on its surface, while sand stone has porous surface which readily absorbs pollutants.
65%