Natural resources refer to a variety of things that can be <em>automatically found on earth</em> and within the earths atmosphere.
Grass is a plant that <em>grows naturally</em> or is planted to grow in specific locations. It is estimated that around 40% of the land <em>on Earth</em> contains some sort of grass excluding Antarctica and Greenland.
Since Grass grows naturally & used by many creatures to feed on ,hence ,<em><u>Grass </u></em><em><u>is </u></em><em><u>A </u></em><em><u>resource</u></em>