define soil erosion,water pollution, drought, landslides and global warming
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1. Soil erosion
Soil erosion is defined as the wearing away of topsoil. Topsoil is the top layer of soil and is the most fertile because it contains the most organic, nutrient-rich materials. One of the main causes of soil erosion is water erosion, which is the loss of topsoil due to water.
2. Water pollution
Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans, aquifers, and groundwater). Water pollution occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful compounds.
3. Landslide
collapse of a mass of earth or rock from a mountain or cliff.
4. Drought
prolonged period of abnormally low rainfall, leading to a shortage of water.
5. Global warming
gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, CFCs, and other pollutants.
Soil erosion is defined as the wearing away of topsoil. Topsoil is the top layer of soil and is the most fertile because it contains the most organic, nutrient-rich materials. One of the main causes of soil erosion is water erosion, which is the loss of topsoil due to water.
2. Water pollution
Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans, aquifers, and groundwater). Water pollution occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful compounds.
3. Landslide
collapse of a mass of earth or rock from a mountain or cliff.
4. Drought
prolonged period of abnormally low rainfall, leading to a shortage of water.
5. Global warming
gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, CFCs, and other pollutants.
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