Easy. The word is extinct!
Hope it helped! ;)
Explanation:
Large amounts of heat are needed to evaporate water, because H-bonds need to be broken. Sweating is an example of using water as d coolant. As the sweat evaporates it pulls heat away from the body. Application 'Water's thermal properties, its high specific heat, means that it can cool us.
You need to read the introduction like this
B. Because the environment can not supply for the food and caring of the animal species that is growing larger.