... most serious problem of modern times is that man is destroying the earth’s natural resources and transforming huge areas into wasteland. As a result, it is becoming extremely difficult to grow ... According to the writer a). People are growing enough to feed the world’s population. b). Nature has transformed huge areas into wasteland. c). People have found many ways of protecting wildlife. ... wonderful, but it is not properly understood. Sometimes the mind can do very ……(34)…….things. One strange … (35)……… was that of Edgar Cayce, who was the son of a farmer in Kentucky, and knew … (36)……...