C: lack of water during long periods..
Rapid environmental changes can cause:
1) Species can become vulnerable to extinction.
2) A decrease or increase of populations.
3) Diversity of species.
The increased temperature melts glaciers, ice caps etc. and thus increases the sea levels
The answer is its habitat.
Explanation:
Soil moisture is a key variable in controlling the exchange of water and heat energy between the land surface and the atmosphere through evaporation and plant transpiration.