Answer: Weather changes frequently but not climate. A climate is average weather in a given area over a period of time. The weather, on the... View Article
Answer: (b) force of friction Contact force is a force that is applied by objects in contact with each other. The contact force acts on a point... View Article
Answer: (iii) Amritsar Cyclone is defined as the mass of air that rotates around the centre of low pressure on a large scale. Cyclone is... View Article
Answer: (d) vegetable oil Because vegetable oil is lacking ions, it is unable to conduct electricity. Materials that have good mobility of... View Article
Answer: If a person is suffering from a cataract their eye lens will be cloudy. Cataracts can be treated by replacing the opaque lens with an... View Article
Answer: The friction between the seat and our body is minimized if the seat cover is very smooth. As a result, when the brakes are applied in a... View Article
Answer: Because the moon revolves around the earth, its form varies on a daily basis, and we only see the part of the moon from which the sun's... View Article
Answer: Rust is developed when iron reacts with ambient air. Zinc is coated with iron to keep it from rusting. A rust-prevention technique is... View Article
Answer: Electroplating is the process of aligning another metal onto a metal. This is accomplished using an electroplating apparatus that... View Article
Answer: Sewage is the wastewater released by hospitals, homes or industrial establishments that is carried away in sewers or drains for dumping... View Article
Answer: A forest is a dense land or a complex ecosystem that supports a diverse range of life forms and is rich in biodiversity. The ecosystem of... View Article
Answer: Frictional force refers to the force generated by two surfaces that contact and slide against each other. Friction is caused due to the... View Article
Answer: The sugar solution is neither acidic nor basic, and it is unable to ionise and conduct electricity. The sugar solution is a mixture of... View Article
Answer: The wind is moving air. Uneven heating of the Earth’s surface causes winds. On being heated, the air becomes lighter and rises. As... View Article
Answer: Winds are generated due to uneven heating on the earth. Uneven heating of the Earth’s surface causes winds. The earth absorbs the... View Article
Answer: 5 The four important terms used in the division operation are dividend, divisor, quotient and remainder. The formula to calculate the... View Article
Answer: (5x - 5) The four important terms used in the division operation are dividend, divisor, quotient and remainder. The formula to calculate... View Article
