Deforestation is the permanent devastation of native forests and woods. It happens in many ways: when trees [1] a) and b) are c) one d) the cut down to grow crops or [2] a) fires b) leave c) raise d) trees livestock, logging so wood can be [3] a) does b) much c) need d) used for building houses and furniture, for [4] a) comes b) leave c) roads d) Trees and neighborhoods, for firewood, and forest [5] a) fires b) leave c) raise d) Trees . Deforestation is affecting our environment and [6] a) and b) are c) one d) the way our earth appears. At least [7] a) carbon b) eighty c) humans d) native percent of our forests have been [8] a) beautiful b) destroyed c) permanent d) resulting . Our rain forests are disappearing with [9] a) flooding b) native c) permanent d) terrible consequences for human life. Deforestation disrupts [10] a) and b) are c) one d) the carbon cycle. The forest trees take [11] a) carbon b) eighty c) humans d) native dioxide as well as pollutants from [12] a) and b) are c) one d) the atmosphere. When the trees are destroyed [13] a) be b) is c) or d) to burned or left to rot, carbon [14] a) be b) by c) is d) we released into the air as C02 [15] a) and b) are c) one d) the methane, which both contribute to the [16] a) devastation b) greenhouse c) permanent d) Rainforest effect. Deforestation affects our water, too. [17] a) leave b) roads c) trees d) Trees take up water from their roots [18] a) and b) are c) one d) the then expel it into the air [19] a) as b) by c) of d) we moisture. This moisture then gets converted [20] a) does b) into c) need d) used clouds that will bring rain. If [21] a) is b) of c) to d) we have fewer trees, the atmosphere will [22] a) be b) by c) to d) we drier. With fewer trees, our soil [23] a) does b) into c) much d) need not have as much support and [24] a) into b) much c) need d) used silt is released into the waters, [25] a) beautiful b) destroyed c) permanent d) resulting in loss of soil and more [26] a) flooding b) native c) permanent d) terrible . Although there may be a need [27] a) by b) is c) to d) we cut down trees to some extent, [28] a) carbon b) eighty c) humans d) native and other species need to protect [29] a) extinct b) forests c) native d) permanent and woodlands. Trees are not just [30] a) beautiful b) destroyed c) permanent d) resulting ; they also house many different kinds [31] a) as b) be c) is d) of plants and animals that could become [32] a) extinct b) forests c) native d) permanent with deforestation. According to the World [33] a) devastation b) greenhouse c) permanent d) Rainforest Movement, twenty-five percent of our medicine [34] a) comes b) fires c) roads d) trees from the forests. What if some [35] a) and b) are c) one d) the of these animals or plants holds [36] a) and b) are c) one d) the cure for cancer or dementia? We [37] a) does b) into c) much d) need our forests for many reasons. Our [38] a) leave b) roads c) trees d) Trees are a legacy given to us [39] a) as b) by c) is d) to our ancestors, a legacy we must [40] a) comes b) fires c) leave d) Trees to our children.   Name :