Civil Engineering

12 Types of Soil: Classification and Characteristics

soil is an essential part of the earth’s surface which consists of inorganic and organic materials and disintegrated rock. Depending…

7 months ago

causes of acid rain | what are the effects on human health and how to prevent ?

Precipitation (rain, vapors) mixed with acidic chemicals of the atmosphere lower the pH of rainwater and thus cause acid rain.…

7 months ago