Deforestation means cutting down of trees (a) — (post-modify the verb). To meet up the basic needs of food and housing, trees are being cut in large scale and thus it causes (b) — (pre modify the noun) imbalance. Besides, there are some dishonest people who cut trees in our forest (c) — (use an infinitive phrase to post-modify the verb). The (d) — (use a noun adjective to pre modify the noun) level is rising and many parts of the world are going to be engulfed by the sea in near future. New areas of the world are (e) — (use a participle to pre-modify the verb) turned into desert as a result of deforestation. So, we must stop (f) — (use a participle to post-modify the verb) down trees unnecessarily. (g) — (use a participle to pre-modify the noun) trees indiscriminately will be hazardous for our future existence. If we destroy trees (h) — (use an adverbial phrase to post-modify the verb) one day the country will turn into a great desert. The (i) — (use a participle to pre-modify the noun) temperature will cause greenhouse effect. Necessary measures should be taken (j) — (use an infinitive phrase to post-modify the verb).