new facts about ozone,soil erosion, deforestation (what i want to kno)
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Answer:
ozone layer is very harmful for the animals plants and US human beings
Ozone depletion consists of two related events observed since the late 1970s: a steady lowering of about four percent in the total amount of ozone in Earth's atmosphere (the ozone layer), and a much larger springtime decrease in stratospheric ozone around Earth's polar regions.[1] The latter phenomenon is referred to as the ozone hole. There are also springtime polar tropospheric ozone depletion events in addition to these stratospheric events....
SOIL EROSION AND ITS EFFECTS
The loss of trees, which anchor the soil with their roots, causes widespread erosion throughout the tropics. Only a minority of areas have good soils, which after clearing are quickly washed away by the heavy rains. ... The rivers carry the eroded soils downstream, causing significant problems.
Basic Erosion Prevention Techniques.
⚡Plant grass and shrubs. ...
⚡Add mulch or rocks. ...
⚡Use mulch matting to hold vegetation on slopes. ...
⚡Put down fiber logs. ...
⚡Build retaining walls. ...
⚡Improve drainage. ...
⚡Reduce watering if possible. ...
⚡Avoid soil compaction...
Deforestation, clearance, clearcutting or clearing is the removal of a forest or stand of trees from land which is then converted to a non-forest use.[2] Deforestation can involve conversion of forest land to farms, ranches, or urban use. The most concentrated deforestation occurs in tropical rainforests.[3] About 31% of Earth's land surface is covered by forests.[4]
Deforestation has many causes: trees can be cut down to be used for building or sold as fuel (sometimes in the form of charcoal or timber), while cleared land can be used as pasture for livestock and plantation. Disregard of ascribed value, lax forest management, and deficient environmental laws are some of the factors that lead to large-scale deforestation. In many countries, deforestation—both naturally occurring and human-induced—is an ongoing issue.[5] Between 2000 and 2012, 2.3 million square kilometres (890,000 sq mi) of forests around the world were cut down.[6] As of 2005, net deforestation rates had ceased to increase in countries with a per capita GDP of at least US$4,600.
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