Because that's what they eat, grass.
In green grass, water is present, and this prevents it from burning.
Because the soil is dry and you need to add water
dry and hot
A buffalo or bison will typically eat 2.5% to 3% of its body weight in forage (on a dry-matter basis) per day.
Droughts are when there is no water for along period of time. A place that has a drought looks like a garden with no grass, just dry land.
moist
You should water Korean grass each day. Morning is the best time to do this. Your grass should get one inch of water per day during dry periods.
it looks like dry road and green grass
Dry GRASs no water
Certain seeds (like cress or grass) need little to grow, but they do need water. That is why your seeds wont grow on dry cotton wool.
They love the water, and are often found more often in ponds and streams than on dry land. You won't find them in oceans, rivers lakes or seas though.
When it rains the grass roots absorb the water. Later on it is it is released from the leaves or grass tips in a process called transpiration.