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Microbes:
You should know that invisible microbes are present everywhere, because they can surviveeven under very inhospitable conditions. They are all around us, in the air we breathe, in thsoil, in food, ih water used for drinking or bathing and on all the objects we come in contacwith. You will be surprised to know that billions of them live on the skin of our body and inour mouths and intestinal tracts. One third of the dry human faeces is bacteria. However, only some of these micro-organisms cause infectious diseases. There are many others whicare beneficial and their activities are of central importance to the biosphere. Without them life on earth would perish! Long before we even knew of their-existence, we have been taking advantage of their activities, as in the case of making curds, and alcohol or baking cakes and bread. They decompose dead plants and animals, as well as sewage into harmlesbut indispensable chemicals like nitrogen, oxygen and carbon dioxide etc. They can also bused as biological factories to produce antibiotics.
In fact, the famous antibiotic, penicillinwas discovered from a culture of fungus. Certain kinds of bacteria live in human intestinesand provide vitamin B,, and vitamin K. Thus, though some microbes are harmful, athers aof great service to humanity. While the knowledge of gems has grown and some of it is used to save people from disease and death, several countries have used this knowledge fodestruction and warfare. You may have heard the word "geim warfare". These countries have collected deadly gems which can be spread in enemy countries to pollute air or wateor even to destroy crops and forests. Such warfare, obviously, kills people, not just soldierand as such it is internationally prohibited.
The physical property used in mineral identification for the way a minerals surface reflects light is known as luster
Food Web: Within an ecosystem, there are many different food chains. Some organisms may be involved in several of the food chains at the same time. So a number of food chains
Which describes granite and basalt
Explain the Types of sedimentary rocks? What is a sedimentary rock? The word sedimentary is derived from the Latin word sedimentum which means "settling", which refers to a so
Environment and Waste Minimisation Your first assessment will cover the design of a monolith reactor for the VOCs removal. Therefore, you are asked to do the following:
Explain Sinus Bradycardia - Electrocardiogram If the SA node discharge rate is slow, the heart rate is slow. ECG is normal in every respect except that the heart rate at rest i
When, in the geologic column, did dinosaurs become extinct at the Cretaceous-Tertiary boundary
elow chart of vertibrates
I need to write a research paper on AI
Q.Name two biologically important compounds that contain both oxygen and nitrogen. Two biologically important compounds that contain both oxygen and nitrogen are: (i) Amino a
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