Type And Structure Of Environment
VARIOUS TYPES OF ENVIRONMENT According to Kurt Lewin, environment is of three types which influence the personality of an individual…
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VARIOUS TYPES OF ENVIRONMENT According to Kurt Lewin, environment is of three types which influence the personality of an individual…
The plants convert the radiant energy of sun into chemical energy and store them as complex molecules; this is the…
The structure of an ecosystem consists of both biological communities and abiotic components. The two basic components of an ecosystem…
The German biologist Ernst Haeckel in 1869 coined the word “Ecology” combining two Greek words – oikos, meaning “household” or “home”…
The need of the hour is to make the public aware of the consequences of the environmental degradation, if not…
SCOPE OF ENVIRONMENT: The environment consists of four segments of the earth namely atmosphere, hydrosphere, lithosphere and biosphere: 1. Atmosphere:…
While cities only occupy two per cent of the Earth’s land surface, they draw on their hinterlands for goods and…
Wood rot is the common name used to indicate damage in wood due to fungal colonies that settle down on…
Types of defects in timber Types of Defects in timber are grouped into the following divisions. 1. DEFECTS DUE TO CONVERSION…
Timber is used for the following works: 1. For heavy construction works like columns, trusses, piles. 2. For light construction works like doors, windows,…
Various bases are considered for the classification of timbers. The following are the important basis: (i) Mode of growth (ii)…
Timber refers to wood used for construction works. In fact the word timber is derived from an old English word…