accounting for a fifth of the calories consumed globally.But as a result of climate change,scientists believe most parts of the world where the crop is grown will be hit by water shortages by the end of the century.And the US could be among the countries worst affected,t...
(be)the pollution.Polluting things is to make things dirty.Pollution comes in many ways and we can see it,smell it,drink it,and even hear it. Many have been polluting the earth.The more people there are on the earth,the more pollution there will be.Many years ago,...