📘 قراءة كتاب Chemical and Isotopic Groundwater Hydrology أونلاين
Biology is a natural science that is concerned with the study of life, its various forms and its function, how these organisms interact with each other and with the surrounding environment. The word biology in Greek is made up of two words: bio (βίος) meaning life. And loggia (-λογία) means science or study. Biology: the similarity of vegetation and animal cover on the edges of the African and American states, and the existence of the same fossil.
Branches of biology
Biology is an ancient science thousands of years old and modern biology began in the nineteenth century. This science has multiple branches. Among them are:
Cytology or cell science
Ecology or environmental science
نبذه عن الكتاب:
ISOTOPIC ASPECTS OF
1.1 The Concealed Nature of Groundwater
Groundwater is a concealed fluid that can be observed only at intermittent
points at springs and in boreholes. Aquifers and flow paths are traditionally
deduced by information retrieved from drilling operations, for example,
rock cuttings and occasionally cores, but these are poor small-scale
representatives of the large systems involved. This feature is familiar to
geologists who try to predict the lithological and stratigraphic column to be
passed by a new borehole. The outcome reveals time and again a higher
spatial complexity and variability than predicted by interpolation of data
available from existing boreholes. Prediction of hydraulic barriers, as well as
prediction of preferred flow paths, based on knowledge of the regional
geology are short-handed as well. Water properties have also been measured
traditionally, but they were mostly limited to the depth of the water table, or
the hydraulic head, temperature, and salinity. Modern chemical and isotope
hydrology encompasses many more parameters and deals with the
integrative interpretation of all available data. The concealed nature of
groundwater gets gradually exposed.
Who is the founder of biology?
The importance of biology
Areas of work in the field of biology
Theories of biology
Research on biology for the first grade of secondary school
سنة النشر : 2003م / 1424هـ .
حجم الكتاب عند التحميل : 3.897 .
نوع الكتاب : pdf.
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