Introduction:The typical definition of eutrophication is 'decrease in the levels of oxygen in the water bodies due to effects of excessive use of chemical fertilisers.' This statement clearly tells us all about the cause of the problem of eutrophication.
Oak is a common wood, yet many people arenât aware that there are two distinct species â red oak and white oak. Between the two, there are only subtle differences when it comes to durability, hardness, and cost. Color and grain pattern are the distinguishing features that set red oak and white oak apart.
Back to Top. Oak Tree Symbolism. The oak is the mightiest of trees and symbolizes strength and courage. The ancient Romans thought oak trees attracted lightening and thereby connected the oak tree to the sky god, Jupiter and his wife, Juno, the goddess of marriage.Thus, the oak is a symbol of conjugal fidelity and fulfillment.he type of forest is determined by the types of trees that grow there. The trees in forests are mainly used to create fuel and paper. About half of the wood harvested from forests around the world is used for heating homes and other buildings.