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Modern Theory
Naturalistic theory: According to this theory Life originated upon our earth spontaneously from nonliving matter. But there are two significant points in this regard to be carefully noted:
(A) Firstly: life originated upon the earth, not by a sudden chance or random mixing of non living matter, but as a result of a long, series o physical chemical changed which brought about a gradual evolution of, first inorganic and, then, organic compounds in according ever changing environmental conditions. This is called Chemical Evolution. It culminated into the synthesis of Protoplasm or Life Substance as the most complex crystsllo colloid mixture of Nature.
(B)Secondly: a chemical evolution of matter as envisaged above cannot occur under the present Environmental conditions upon earth; conditions suitable for it existed only upon primitive earth.
What are the approaches to the design of retaining walls? The approach to the design of retaining walls can be started as follows: a. Chosse a trial dimension of the wall
What are abiotic factors? Abiotic factors are the nonliving elements that constitute a given environment, as light, temperature, minerals, gases, water, atmospheric pressure, e
Define Heart Rate (HR) Method - aerobic capacity? An alternative method for determining aerobic capacity involves the measurement of heart rate. Heart rate is linearly associa
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Osteogenesis The term osteogenesis describes essentially two distinctly different phenomena by which bone can become juxtaposed to an implant surface.
Q. What is the etiological agent of visceral leishmaniasis? How the disease transmitted and what is are its typical manifestations? The Visceral leishmaniasis is caused by the
Define the Determination of Completion of Reaction ? Several methods are used to determine when the reaction is complete. Some of these include (a) Observing an indicator (c
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