AdminDapodik.com - 10 Contoh Soal Explanation Text dan Kunci Jawaban Terbaru. Explanation text adalah salah satu jenis text yang bertujuan menjelaskan tentang proses-proses yang berhubungan dengan fenomena-fenomena alam, soisal, ilmu pengetahuan, budaya dan lainnya. Secara sederhana tExplanation text biasanya berasal dari pertanyaan penulis terkait ‘why’ dan ‘how’ terhadap suatu fenomena yang ada. Dalam artikel ini saya akan membagikan 10 Contoh Soal Explanation Text dan Kunci Jawaban Terbaru untuk pelajar Sekolah Menengah Atas kelas 10, 11 atau 12 SMA/SMK/MA. Soal-soal dibawah ini bisa Anda download pada link bagian paling bawah postingan.
Read the following text to answer questions number 1 to 4.
Recycling is a collection, processing, and reuse of materials that would otherwise be thrown away. Materials ranging from precious metals to broken glass, from old newspapers to plastic spoons, can be recycled. The recycling process reclaims the original material and uses it in new products.
In general, using recycled materials to make new products costs less and requires less energy than using new materials. Recycling can also reduce pollution, either by reducing the demand for high-pollution alternatives or by minimizing the amount of pollution produced during the manufacturing process.
Paper products that can be recycled include cardboard containers, wrapping paper, and office paper. The most commonly recycled paper product is newsprint. In newspaper recycling, old newspapers are collected and searched for contaminants such as plastic bags and aluminum foil. The paper goes to a processing plant where it is mixed with hot water and turned into pulp in a machine that works much like a big kitchen blender. The pulp is screened and filtered to remove smaller contaminants. The pulp then goes to a large vat where the ink separates from the paper fibers and fl oats to the surface. The ink is skimmed off, dried and reused as ink or burned as boiler fuel. The cleaned pulp is mixed with new wood fibers to be made into paper again.
Experts estimate the average office worker generates about 5 kg of wastepaper per month. Every ton of paper that is recycled saves about 1.4 cu m (about 50 cu ft) of landfill space. One ton of recycled paper saves 17 pulpwood trees (trees used to produce paper).
1. The following things can be recycled, EXCEPT....
2. Which of the following is NOT the benefit of recycling?
3. What is the third step of recycling paper products?
4. We can make use of the ink after being separated from the paper fibres by doing the followings, EXCEPT....
Read the following text to answer questions number 5 to 10.
Acid rain is rain that is highly acidic because of sulfur oxides, nitrogen oxides, and other air pollutants dissolved in it. Normal rain is slightly acidic, with a pH of 6. Acid rain may have a pH value as low as 2.8.
Acid rain can severely damage both plant and animal life. Certain lakes, for example, have lost all fish and plant life because of acid rain.
Acid rain comes from sulfur in coal and oil. When they burn, they make sulfur dioxide (SO2 ). Most sulfur leaves factory chimneys as the gaseous sulfur dioxide (SO2 ) and most nitrogen are also emitted as one of the nitrogen oxides (NO or NO2 ), both of which are gasses. The gasses may be dry deposited–absorbed directly by the land, by lakes or by the surface vegetation. If they are in the atmosphere for anytime, the gasses will oxidize (gain an oxygen atom) and go into solution as acids. Sulphuric acid (H2 SO4 ) and the nitrogen oxides will become nitric acid (HNO3 ). The acids usually dissolve in cloud droplets and may travel great distances before being precipitated as acid rain.
Catalysts such as hydrogen peroxide, ozone, and ammonium help promote the formation of acids in clouds. More ammonium (NH4 ) can be formed when some of the acids are partially neutralized by airborne ammonia (NH3 ). Acidification increases with the number of active hydrogen (H+) ions dissolved in acid. Hydrocarbons emitted by, for example, car exhausts will react in sunlight with nitrogen oxides to produce ozone. Although it is invaluable in the atmosphere, low-level ozone causes respiratory problems and also hastens the formation of acid rain. When acid rain falls on the ground it dissolves and liberates heavy metals and aluminum (Al). When it is washed into lakes, aluminum irritates the outer surfaces of many fish. As acid rain falls or drains into the lake the pH of the lake falls. Forests suffer the effect of acid rain through damage to leaves, through the loss of vital nutrients, and through the increased amounts of toxic metals liberated by acid, which damage roots and soil microorganisms.
5. What is the text mainly about?
6. The acid of normal rain is .… then the acid rain
7. What is the result of the burning of the coal and oil?
8. The sulfur oxides and nitrogen oxides will …. in the air.
9. Which of the following is not true about acid rain?
AdminDapodik.com - 10 Contoh Soal Explanation Text dan Kunci Jawaban Terbaru. Explanation text adalah salah satu jenis text yang bertujuan menjelaskan tentang proses-proses yang berhubungan dengan fenomena-fenomena alam, soisal, ilmu pengetahuan, budaya dan lainnya. Secara sederhana tExplanation text biasanya berasal dari pertanyaan penulis terkait ‘why’ dan ‘how’ terhadap suatu fenomena yang ada. Dalam artikel ini saya akan membagikan 10 Contoh Soal Explanation Text dan Kunci Jawaban Terbaru untuk pelajar Sekolah Menengah Atas kelas 10, 11 atau 12 SMA/SMK/MA. Soal-soal dibawah ini bisa Anda download pada link bagian paling bawah postingan.
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