Marshland
mountainous
tropical
Answer:
a
Explanation:
an area of flat, dried-up land, especially a desert basin from which water evaporates quickly.
Erosion of farmland, overuse of both surface and groundwater, dwindling supplies of finite fossil fuels, and escalating extinction of plant and animal species imperil the ability of the earth's resources to meet the needs of such enormous numbers of humans. The food situation worldwide is becoming critical
