The main tree of the swampy lowlands of Gran Chaco in the northern par...
- The climate of Argentina is temperate and the temperature decreases from north to south or rainfall decreases from east to west. Rainfall here occurs mostly in summer.
- The main vegetation of Argentina is the short and soft temperate grasses of the area called Pampas.
- The main tree of the swampy lowlands of Gran Chaco in the northern part of the Pampas plain is Quebracho, from the bark of which tannin acid is obtained. It is used in making leather.
Hence, option D is correct.
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The main tree of the swampy lowlands of Gran Chaco in the northern par...
The correct answer is option 'D', Argentina.
Explanation:
The main tree found in the swampy lowlands of Gran Chaco in the northern part of the Pampas plain is the Quebracho tree. This tree is known for its bark, from which tannin acid is obtained. Here is a detailed explanation:
1. Gran Chaco and Pampas Plain:
- The Gran Chaco is a vast lowland region located in South America, primarily covering parts of Argentina, Paraguay, Bolivia, and Brazil.
- The Pampas plain is a fertile lowland region located in central Argentina, extending from the Atlantic Ocean to the Andes Mountains.
2. Quebracho Tree:
- The Quebracho tree is a dominant tree species found in the swampy lowlands of Gran Chaco.
- The term "Quebracho" is derived from the Spanish words "quebrar" (to break) and "hacha" (axe), referring to its exceptionally hard wood.
- The Quebracho tree is known for its dense wood and thick bark, which contain high amounts of tannin.
3. Tannin Acid:
- Tannin is a naturally occurring organic compound found in various plant species.
- Tannin has a wide range of applications, including the production of leather, ink, dyes, and wood preservatives.
- Tannin is obtained from the bark of the Quebracho tree through a process called extraction.
4. Country of Origin:
- The statement mentions the presence of the Quebracho tree in the northern part of the Pampas plain.
- The Pampas plain is primarily located in Argentina, covering a significant portion of the country.
- Therefore, the statement indicates that the country in question is Argentina.
In conclusion, the statement refers to Argentina as the country where the Quebracho tree is found in the swampy lowlands of Gran Chaco, and tannin acid is obtained from its bark.