We've got to differentiate first afforestation to reforestation. The former is planting trees in areas where there is no sign or trace of plants or seedlings before. It's like your making a new environment by your own. The latter is replacing or bringing back what was taken before.
The weather conditions that least favor chemical weathering are cold and dry.
Climate plays an important role in the breakdown of rocks and soil into sediment and this process is called weathering. Rocks found in equatorial climates and exposed to lots of rain, humidity and heat weather faster than rocks in located in cold and dry areas. Chemical weathering typically happens when there is increase in the temperature and there is rainfall. Hence rocks in hot and wet climate experience faster rate of chemical weathering.
In a wet climate there is an acceleration of weathering due to mixture of dirt with Carbon dioxide and air and water causing weak acid which breaks down rapidly. Whereas, cold, dry climate accelerate physical weathering due to expansion and contraction of minerals within rock.
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Answer:
from roads to canals to railroads
Explanation:
Better transportation infrastructure or transportation revolution in the early 19th century begins when people started crude roads instead or horses or river routes and then canals were built. After canals long the railroads crisscrossed the country that helped people and goods to move with greater efficiency. These technological developments in travel during the 19th Century connects the world and affects the national economy at high level.
Hence, the correct answer is "from roads to canals to railroads".
Because it is natural process
