Question of the Day (31-Oct-19)
The question below contains a paragraph with a missing sentence. Choose an option that best fits the context.
There are vast amounts of water on earth. Unfortunately, over 97% of it is too salty for human consumption and only a fraction of the remainder is easily accessible in rivers, lakes or groundwater. Climate change, droughts, growing population and increasing industrial demand are straining the available supplies of fresh water. More than 1 billion people live in areas where water is scarce, according to the United Nations, and that number could increase to 1.8 billion by 2025. _________________. Its appeal is obvious. The world’s oceans, in particular, present a virtually limitless and drought-proof supply of water.