Rachel Carson talks about large number of chemicals (approximately 500 or more pesticides) that were introduced each year and possibly making the earth unfit for all forms of life. Author argues about harmful effects of pesticides/chemicals on the environment. This book is an ideal example for public warning on the dangers of increasingly destructive practice. […]

Enzyme was introduced by Kiihne in 1878, even though the first observation of enzyme activity in a test tube was done by Payen and Persoz in 1833. Enzymes are specialized proteins that make cellular work possible in all cells by helping chemical reaction to occur. these chemical reaction speed up the chemical activity by increasing […]

Chapter 1 1. Introduction This chapter emphasis the topical subjects in the area of selective metal recovery from wastewater with low metal ion concentration. The main drivers are based on environmental concerns, legislation and economic motivations. During the industrial revolution, engineers were practicing their profession without addressing the environmental issues with the same depth which […]

Abstract Germination refers to a course of action via which seeds crop out into a new plant. There are various demands that are needed for the seed to germinate. Among the variables are light-weight, substrate concentrations these types of as drinking water and other environmental circumstances that provide in the development of the media that […]