Why do elements in the same period have different properties?Elements in the same period have different properties because they have different numbers of electrons in their outermost shell.In depthAsked by Anonymous from Singapore, Singapore · Chemistry · 28 d agoRead the full answer →
What foods have the most biotin?Some of the best foods for biotin are eggs, nuts, seeds, and certain meats.Asked by Anonymous from Mountain View, United States · Biology · 28 d agoRead the full answer →
Why do rockets need to carry both fuel and oxygen?Rockets need to carry both fuel and oxygen because there is no air (and no oxygen) in space to burn the fuel.In depthAsked by Anonymous from Mountain View, United States · Science · 28 d agoRead the full answer →How is liquid hydrogen stored safely in rockets?Liquid hydrogen is stored in rockets using special tanks that keep it extremely cold and prevent leaks or explosions.In depthAsked by Anonymous from Mountain View, United States · Science · 28 d agoRead the full answer →
What was discussed at the Second Round Table Conference?The Second Round Table Conference discussed how Indians should be represented and governed, but leaders could not agree on key issues.In depthAsked by Anonymous from Shanghai, China · History · 28 d agoRead the full answer →
Why is hydrogen used in rockets instead of petrol?Hydrogen is used in rockets instead of petrol because it gives much more energy and burns cleaner, making rockets fly faster and higher.In depthAsked by Anonymous from Beijing, China · Science · 28 d agoRead the full answer →
What are the achievements of the Indus Valley civilisation that are still a part of urban planning today?The Indus Valley Civilization gave us smart city planning ideas that we still use today.In depthAsked by Mrinal U. from Noida, India · Social Science · 29 d agoRead the full answer →What is vitamin H?Vitamin H is another name for biotin, a vitamin that helps your body use food for energy and keeps your skin, hair, and nerves healthy.Asked by Mrinal U. from Noida, India · Biology · 29 d agoRead the full answer →
What are the main differences between Dravidian and Indo-Aryan languages?Dravidian and Indo-Aryan languages are two big language families in India, each with its own roots, sounds, scripts, and places where people speak them.In depthAsked by Anonymous from Mountain View, United States · Social Science · 29 d agoRead the full answer →How did other Upanishads build on this idea?Other Upanishads took the early ideas and made them deeper, clearer, and more useful for understanding life and the self.In depthAsked by Anonymous from Mountain View, United States · Social Science · 30 d agoRead the full answer →
How are blood groups tested in the lab?Blood groups are tested in the lab by mixing a drop of your blood with special solutions to see how it reacts.Asked by Anonymous from New York, United States · Biology · 12 Oct 2026Read the full answer →
How do atoms join to form molecules?Atoms join together by sharing or exchanging electrons to form molecules.In depthAsked by Anonymous from Mountain View, United States · Chemistry · 12 Oct 2026Read the full answer →
What are radioactive substances?A radioactive substance is a material whose atoms give off energy by releasing radiation.Asked by Anonymous from Singapore, Singapore · Science · 12 Oct 2026Read the full answer →
Can sound travel from water to air, and what happens then?Yes, sound can travel from water to air, but it becomes weaker and changes a bit when it crosses from one to the other.Asked by Anonymous from Singapore, Singapore · Science · 12 Oct 2026Read the full answer →
What is photosynthesis and how does it work?Photosynthesis is how green plants use sunlight to make their own food and give out oxygen.In depthAsked by Anonymous from Mountain View, United States · Biology · 12 Oct 2026Read the full answer →
What causes the demand curve to shift right?The demand curve shifts right when people want to buy more of a product at every price.In depthAsked by Anonymous from Mountain View, United States · Economics · 10 Oct 2026Read the full answer →What are the advantages and disadvantages of each hydrogen production method?Different methods of making hydrogen have their own good and bad sides, depending on cost, pollution, and how easy they are.In depthAsked by Anonymous from Singapore, Singapore · Chemistry · 10 Oct 2026Read the full answer →What is a Prakrit, and how is it different from Sanskrit?Prakrits are old Indian languages spoken by common people, while Sanskrit is the ancient language used by priests and scholars.In depthAsked by Anonymous from Mountain View, United States · Social Science · 10 Oct 2026Read the full answer →
Is the area of a square equal to the side length squared?The area of a square is found by multiplying the length of one side by itself.Asked by Mrinal U. from New Delhi, India · Mathematics · 10 Oct 2026Read the full answer →What is the difference between mass and weight?Mass is the amount of matter in something; weight is the force of gravity on that mass.Asked by Anonymous from Jinrongjie, China · Science · Class 9 · 10 Oct 2026Read the full answer →
What happens if the wrong blood group is given to someone?Giving the wrong blood group to someone can make their body attack the new blood, causing serious and sometimes deadly reactions.In depthAsked by Anonymous from Mountain View, United States · Biology · 10 Oct 2026Read the full answer →
What are the details about Bhagat Singh's life and why did Mahatma Gandhi not try to save him?Bhagat Singh was a brave freedom fighter who gave his life for India's independence, and Mahatma Gandhi did not save him because of deep differences in their methods and…In depthAsked by Mrinal U. from New Delhi, India · History · 10 Oct 2026Read the full answer →Why do some objects not make any shadow?Some objects do not make shadows because they let all the light pass through them.Asked by Anonymous from Ciudad De México, Mexico · Science · 10 Oct 2026Read the full answer →
Why does sound travel even faster in solids than in water?Sound travels faster in solids than in water because the particles in solids are packed much closer together, so vibrations pass quickly from one to the next.In depthAsked by Anonymous from Beijing, China · Physics · 10 Oct 2026Read the full answer →
What is the converse of the Midpoint Theorem?If a line in a triangle joins the midpoint of one side and is parallel to another side, it will bisect the third side.In depthAsked by Anonymous from Boston, United States · Mathematics · 9 Oct 2026Read the full answer →
What are the Vedas and why are they important?The Vedas are the oldest and most important holy books of ancient India, teaching prayers, knowledge, and ways to live a good life.In depthAsked by Anonymous from New York, United States · Social Science · 9 Oct 2026Read the full answer →
Can anything travel faster than light through a wormhole?No, nothing can travel faster than light itself, even through a wormhole — but a wormhole could let you reach a far place faster than light would by the usual route.In depthAsked by Anonymous from Paris, France · Physics · 9 Oct 2026Read the full answer →
What is the difference between an acid and a base?An acid gives hydrogen ions (H⁺) in water, while a base gives hydroxide ions (OH⁻).Asked by Anonymous from Marseille, France · Chemistry · Class 10 · 9 Oct 2026Read the full answer →
Summarise the chapter "The Last Lesson".A boy realises the value of his language and school when he attends his last French lesson under foreign rule.Asked by Anonymous from London, United Kingdom · English · Class 12 · 9 Oct 2026Read the full answer →What is photosynthesis, in simple words?Photosynthesis is how green plants use sunlight to make their own food from air and water.In depthAsked by Anonymous from Frankfurt am Main, Germany · Biology · Class 11 · 9 Oct 2026Read the full answer →
How do scientists measure DNA damage in plants?Scientists measure DNA damage in plants by using special tests that show if the DNA is broken or changed.In depthAsked by Anonymous from Surabaya, Indonesia · Biology · 8 Oct 2026Read the full answer →
What is the difference between weather and climate?Weather is what happens in the air around us right now; climate is the usual pattern over many years.Asked by Anonymous from Singapore, Singapore · Geography · Class 7 · 7 Oct 2026Read the full answer →How do I find the HCF and LCM of two numbers?HCF is the biggest number that divides both numbers; LCM is the smallest number both can divide into.Asked by Anonymous from Ciudad De México, Mexico · Mathematics · Class 6 · 7 Oct 2026Read the full answer →
What is inside an atom?An atom is made of a tiny nucleus (with protons and neutrons) at the center, surrounded by electrons moving around it.In depthAsked by Anonymous from Beijing, China · Chemistry · Class 11 · 7 Oct 2026Read the full answer →
How does the Indian Parliament make a law?A law in India is made by discussing and passing a bill in both houses of Parliament, then getting the President’s approval.In depthAsked by Anonymous from Ciudad De México, Mexico · Political Science · Class 9 · 6 Oct 2026Read the full answer →What is the law of demand? Give an example.The law of demand says: when price goes up, people buy less; when price goes down, people buy more.In depthAsked by Anonymous from Beijing, China · Economics · Class 11 · 6 Oct 2026Read the full answer →