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Meghna Thapar 5 years, 6 months ago
Seven Ways to Conserve Water
- Only Run Water-Using Appliances When They're Full.
- Fix Drips By Replacing Worn Tap Washers.
- Incorporate Water Conservation Into Your Landscaping.
- Reduce the Amount of Water Used by Toilets.
- Consider a WaterSense Labeled Shower Head.
- Install a Rain Barrel.
- Compost Food Waste Instead of Using Your Garbage Disposal.
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Yogita Ingle 5 years, 7 months ago
Virus: You may be surprised to know that the viruses can be crystallized and stored like some non-living things, such as common salt and sugar. On the other hand, they multiply like living organisms when they are within a living body.
Fungi: Fungi are non-green plants. They cannot synthesize their own food. They have to depend for their food on others. Most fungi take their food from dead organic matter. Some live on other organisms as parasites.
Algae: Algae are green substances floating on the surface of a pond, lake, river, stagnant water, moist soil, stones. They tend to grow on wet surfaces. Therefore, they can synthesize their own food. They are found in water or in very moist places.
Protozoa: Protozoa are unicellular animals. Some are free-living, others are parasites. Several parasitic protozoans cause diseases in human beings, domestic animals and plants. For example, Plasmodium, a protozoan, causes malaria.
Posted by Saurav Raj 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
We associate history with dates because all the events in history occurred in a chronological order and dates help us to understand the cause and relationship of events. It is the dates which make us understand why a particular event occurred.
Dates act as a milestone and help us to compare the events and the the history. Without dates, history is mystery and events can not be understood in isolation.
Posted by Jan Narjary 5 years, 7 months ago
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Meghna Thapar 5 years, 6 months ago
Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.
The friction force depends on two factors:
- a) The materials that are in contact. The two materials and the nature of their surfaces. ...
- b) The force pushing the two surfaces together. Pushing the surfaces together causes the more of the asperities to come together and increases the surface area in contact with each other.
A good example is when you ride a bicycle on a road. The wheels of the bicycle move on the road. The bicycle will slow down until it comes to a halt. The two types of kinetic friction are sliding friction and rolling friction.
Posted by Abhinav Gupta 5 years, 7 months ago
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Meghna Thapar 5 years, 6 months ago
Fluids exert drag on the solids moving through them, which is somewhat like friction that tries to oppose the motion of the body and slows it down. Hence, streamlined shape is given to the bodies moving through fluids, as in ships and submarines.
Posted by Ishika Choudhry Chaudhary 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
Universal Adult Franchise means that the right to vote should be given to all adult citizens without the discrimination of caste, class, colour, religion or gender. It is based on equality, which is a basic principle of democracy.
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Posted by Parul Bundela 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
|
INFECTIOUS DISEASES |
NON-INFECTIOUS DISEASES |
|
1. Caused due to attack of pathogens |
1. Caused by factors other than pathogens |
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2. Caused due to extrinsic factors |
2. Caused due to intrinsic factors |
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3. Transmitted from one person to another |
3. Do not get transmitted from one person to another |
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4. Transmission of diseases occurs through direct contact or some medium (air, water, vectors) |
4. Transmission in case of hereditary diseases is from parent to offspring |
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5. Community hygiene can reduce the occurrence of these diseases |
5. Community hygiene is ineffective in reducing the occurrence of these diseases |
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E.g. Cholera, Malaria |
E.g. Diabetes, Goitre |
Posted by Tapan Sinha 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
Characteristics of Synthetic Fibres
- Synthetic fibres are cheaper than natural fibre.
- Synthetic fibres are stronger than natural fibre.
- Synthetic fibres are more durable than natural fibre.
- Synthetic fabrics are dried up in less time.
- Synthetic fibres are easy to maintain and wash.
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Yogita Ingle 5 years, 7 months ago
Skilled, healthy and educated human resources add value to natural resources and make them usable. For example, the natural resources like mineral, water, oil and forest are utilized by the human resource. The utilisation of natural resources enhance the national income. Human resources also increase the productivity and production. For example, the Chinese economy has developed in last few decades because of its large human resources.
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