Which characteristics describe grassland biomes

1. Vegetation structure that is dominated by grasses.

2. Rainfall and soils insufficient to support significant tree growth.

3. Most common at mid-latitudes and near the interiors of continents.

4. Grasslands are often exploited for agricultural use.

Explanation:

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.