Summary
Environment refers to the natural elements that make up the earth and surround living organisms The abiotic or physical aspects of the environment refer to elements like air, soil, water etc. The biological or biotic components of environment are the plants and animals Natural res..
The Need to Manage Our Resources
Everything that we use or consume - food, clothes, vehicles, tools, petrol, furniture, medicines, books, toys, and the infrastructure of electricity, roads bridges, and buildings are obtained from resources on this earth. The only thing one gets from outside is the sun's energy and even this is co..
Everything that we use or consume - food, clothes, vehicles, tools, petrol, furniture, medicines, books, toys, and the infrastructure of electricity, roads bridges, and buildings are obtained from resources on this earth. The only thing one gets from outside is the sun's energy and even this is co..Renal Failure and Technology for Survival
Renal Failure and Technology for Survival - The kidney slowly deteriorates and stops functioning. The symptoms are water retention, acidosis, anaemia and increase in blood urea level. You have learnt how important the kidneys are for survival. Though kidney failure is not common, sometime..
Renal Failure and Technology for Survival - The kidney slowly deteriorates and stops functioning. The symptoms are water retention, acidosis, anaemia and increase in blood urea level. You have learnt how important the kidneys are for survival. Though kidney failure is not common, sometime..Renal Failure and Technology for Survival The kidney slowly deteriorates and stops functioning. The symptoms are water retention, acidosis, anaemia and increase in blood urea level. You have learnt how important the kidneys are for survival. Though kidney failure is not common, sometimes kidney infection, injury to kidneys or restricted b..
The kidney slowly deteriorates and stops functioning. The symptoms are water retention, acidosis, anaemia and increase in blood urea level. You have learnt how important the kidneys are for survival. Though kidney failure is not common, sometimes kidney infection, injury to kidneys or restricted b..Technological Improvements for Using Conventional Sources of Energy
Given the large live-stock population in India, we can use this fuel as a steady source. These fuels are obtained from plant and animal produces, so it is called bio-mas..
Physical Change
A physical change is one in which the shape, size, appearance or state, of a substance may alter, but its chemical composition remains same. No new substance is formed. It is usually a change, which is reversible. By reversing the process, the original substance can be obtained. Example,..
Physical State
Most of the non-metals exist in two of the three states of matter at room temperature: gases (oxygen) and solids (carbon). These have no metallic lustre, and do not reflect ligh..
PHYSICAL SCIENCE
Properties and changes of properties in matter Motions and forces Transfer of energ..
PHYSICAL SCIENCE
Properties and changes of properties in matter Motions and forces Transfer of energ..
PHYSICAL SCIENCE
Properties and changes of properties in matter Motions and forces Transfer of energ..
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