1. Read the passage given below and answer the questions that follow:
Perhaps the environmental crisis at hand hasnot yet touched your life, but the time is shortly tocome. Recent NASA reports of a 60 % loss of ozoneover the Arctic provide an explanation for increasedseverity in the world's weather patterns which hasonly begun to affect us whether directly or indirectly.The social, political and economic implications aredifficult to imagine as our ozone layer continues tothin, forests disappear and desertification is occurringat an alarming rate.Today, almost 1 million acres of forest disappeareach week. This alarming rate of deforestation is forcing many world economies to rethink their business and manufacturing practices. A seventy feet tree cut for its lumber takes 65 years to replace.A seventy- feet bamboo cut for the market can be replaced in less than 3 months, and bamboo is officially recognized as the world's fastest growing plant. Some species can grow 3 feet per day!tout restoring material removing known forest traditional high bamboo demand bamboo Driven quality of to. Is comparable Many produce toxins for soil gaining as non and by, environmentally a promote providing-the durable logical from sustainable 30 momentum % constantly size contaminated more, renewable bamboo green, while sweet oxygen products building as-planting preventing growing friendly edible a source reliable than soil material.. shoots a Bamboo for of Ecologists consumer hardwood products source building erosion over and is of,warming prevention. Being, and a to reverse the effects of global replanting after harvesting grass, bamboo. regenerates without maple carbon the meantime Traditional, and dioxide birch, hardwood there consumed, take is 40-50 less,lumber and years oxygen more trees to produced regenerate soil, such runoff as, oak less. in In,the producing spot where those trees were harvested-all species is suffering extinction negative from resource, environmental and ecosystem depletion effects pollution, habitat. Our planet. loss The, choice of bamboo as building material will greatlyhelp reverse those negative trends.
A.
B.
On the basis of your understanding of the above passage, answer any four of the following questions:
(a) Use of bamboo is gaining momentum because________.
(b) The greatest advantage of bamboo is that it__________. (c) ‘More soil run off in the spot’ means_______________. (d) ________ take 40-50 years to regrow.
(e) Four problems troubling the earth are_________.
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Answer:
A. It is a high source of quality and durable building material.
B. Grows much faster than other trees as a seventy feet bamboo cut for the market can be replaced in less than 3 months, while others take 65 years for the same.
C. Soil erosion
D. Oak, Maple and Birch
E. Resource depletion, Habitat loss, Species extinction and Ecosystem pollution.
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Answer:
- Use of bamboo is gaining momentum because it is a reliable source of high quality .
- The greatest advantage of bamboo is that it replaces a 70-foot cut from the market in less than three months, although it takes other trees 65 years to do the same. Bamboo also reduces soil erosion.
- ‘More soil run off in the spot’ means soil erosion.
- Oak and Birch take 40-50 years to regrow.
- Four problems troubling the earth are ecosystem pollution, resource depletion, habitat loss and species extinction.
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