Chemical weathering pertains to the changes in rock structure under the action or influence of chemical reactions. There are hundreds of natural chemical processes and reactions within the rocks the change the composition and the structure of the rocks over time. Temperature and, especially, moisture are critical for chemical weathering. Chemical weathering, therefore, occurs more quickly in…
Floods are natural occurrences where an area or land that is normally dry abruptly becomes submerged in water. In simple terms, flood can be defined as an overflow of large quantities of water onto a normally dry land. Flooding happens in many ways due to overflow of streams, rivers, lakes or oceans or as a…
Soil erosion is a process that involves the wearing away of the topsoil. The process involves the loosening of the soil particles, blowing or washing away of the soil particles, and either ends up in the valley and faraway lands or washed away to the oceans by rivers and streams. Soil erosion is a natural…
Pollution of the oceans, which can simply be defined as contamination of the ocean with harmful or foreign materials, is categorized under water pollution because it constitutes the largest and the most crucial water body in the entire planet. Ocean pollution has increasingly become an important matter due to the heightened human activities that have…
Pollution is the introduction of damaging or poisonous materials into the natural environment. Equally, pollution means the presence of undesirable materials in the natural environment or the state of the natural environment being contaminated with potentially harmful substances as an outcome of human activities. The pollutants are jointly termed as contaminants because they contaminate and…