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Anthropological Evidence
Modern humans arose at a time when the Earth was going through a very cold and icy period called the Ice Age, which began about 75,000 years ago and ended about 10,000 years ago. The Ice Age was at its most severe about 18,000 years ago, a point which coincides with the development of prehistoric art, represented by colourful images painted on cave walls and rock shelters, Many thousands of carved and engraved pieces of bone and ivory have been discovered from the same period. A great majority of images are, indeed, of animals we can recognize, especially images of reindeer and bisons are plentiful; while paintings of people are strangely absent.
The general view about agriculture is that, at the end of the last Ice Age, i.e. about 10,000 years ago, there was a dramatic global shift in the human pattern of living from nomadic hunting and food gathering to settlements producing food. The discovery that sprinkling of grain could lead to crops and hence to lot of food, must have had a big impact on social living. Settled living probably led to increase of population, as also to development of music and dance to occupy the leisure. Language and communication must have developed, as also a capacity to wonder and to reflect about nature.
Explain the Autonomic Nervous System (ANS) The autonomic or involuntary part of nervous system controls the functions of the body carried out automatically i.e. initiated in th
Studying broken rocks with a magnifying glass Study freshly broken rocks with a magnifying glass and try to find crystals of dissimilar minerals. The crystals of dissimilar mi
Mercury: Mercury, the planet nearest to the Sun, has long remained a mysterious body. Because .of the Sun's glare, it is difficult to see it clearly all the mare so becau
Oxidoreductases To this group (EC 1) beIongs all enzymes catalyzing oxidation-reduction reactions. Common names include dehydrogenases, oxidazes, reductases and catalases.
Observing pollen grains from different flowers First of all we have to Secure several flowers in which the pollen has formed on the stamens .Shake pollen from each kind of flo
Genetic Engineering: The modem biotechnology revolution is based on the understanding and manipulation of the structure of DNA. DNA is a complex organic molecule that directs
I need help with a few homework questions...We had a substitute, and I didn''t get the chance to finish reading the chapter.
Define the frontal area or pole of the Cerebrum The frontal area or pole, as shown in the Figure, extends anteriorly from the pre motor area to include the remainder of the fro
Name of the metamorphic rock: gneiss
How to neutralize the ethyl alcohol used for determined alcoholic acidity.
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