It is difficult to study each and every element individually and to know its properties and uses. They have been classified into groups on the basis of their similarities in properties. So, for .....

Due to growth of cell, our body also grows.

Our bodies are made up of roughly a hundred million million (100,000,000,000,000) tiny cells that can only be seen under a microscope.

Cells group themselves together to make up the tissues .....

Cells are the basic building blocks of living things. The human body is composed of trillions of cells, all with their own specialised .....

Solution : Rs30 of Rs1000 = 30/1000 * 100 = 3% Rs.30 is 3% of .....

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Kilogram is a fundamental unit because ot is independent of other .....

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Since pulley us a simple machine which increases the MA and helps tractor to move efficiently in the direction of force .....

Angles on one side of a straight line always add to 180 .....

Seahorses are fish. They live in water, breath through gills and have a swim bladder. However, they do not have caudal fins and have a long snake-like tail. They also have a neck and a snout that points .....

A plan is a detailed proposal for doing or achieving something. .....

Animals which reproduce by laying eggs are called  egg laying animals. Birds, insects, reptiles and fishes are oviparous animals or egg laying .....

Litre is unit of .....

Mercury has a freezing point of −38.83 °C and a boiling point of 356.73 .....

Mercury has a freezing point of −38.83 °C and a boiling point of 356.73 .....

Plants make their food in leaves. The leaves contain a pigment called chlorophyll, which colors the leaves green. Chlorophyll can make food the plant can use from carbon dioxide, water, nutrients, and .....

Animal get food from the nature. Herbivorous eat plants to survive. Carnivorous eat other animal to survive. We, human being eat both plants and animal to .....

नामको सट्टामा आउने शब्द सर्वनाम हो । सधैं नाम लिएर बोलाइँदैन । नामको सट्टामा म, हामी, तिमी, .....

 के चाहिँ सोध्न खोज्नुभएको हो कुन्नि .....

व्याकरणमा के चाहिँ सोध्न खोज्नुभएको हो कुन्नि .....

Newton's third law is: For every action, there is an equal and opposite reaction. The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size .....

व्यक्ति, वस्तु, चिजबिज, द्रव्य, पदार्थ आदि बुझाउने शब्दलाई नाम भनिन्छ .....

व्यक्ति, वस्तु, चिजबिज, द्रव्य, पदार्थ आदि बुझाउने शब्दलाई नाम भनिन्छ .....

Amount of matter contained in a body is called mass. Its SI unit is Kilogram .....

Yes In some cases we can . Eg. thermoelectric generator (TEG) device converts heat into electricity but its more expensive and less .....