We (a) — to our nature for (b) — us with her gifts lavishly. We (c) — a large area of land but the negligible area of land that (d) — to us, is very fertile. We (e) — ungrateful to our soil. But our activities (f) — that we have (g) — ungrateful to our soil. We are constantly (h) — soil pollution by our unwise activities. As a result, our fertile land is (i) — its fertility which has (j) — us to grow crops easily.