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Why do meteors glow when they enter the atmosphere?Meteors glow when they enter the atmosphere because they get very hot and burn up due to friction with air.Asked by Anonymous from Dallas, United States · Science · 19 d agoRead the full answer →How do scientists find black holes if we cannot see them?Scientists find black holes by looking for their effects on nearby stars, gas, and light, not by seeing them directly.In depthAsked by Anonymous from Dallas, United States · Science · 19 d agoRead the full answer →What is the difference between lossy and lossless compression?Lossy compression removes some data to save space, while lossless compression keeps all original data.Asked by Anonymous from Dallas, United States · Computer Science · 19 d agoRead the full answer →Why do some meteors burn up completely while others become meteorites?Some meteors burn up in the atmosphere because they are small, but bigger ones survive and reach the ground as meteorites.Asked by Anonymous from Princeton, United States · Science · 19 d agoRead the full answer →How do scientists decide if a meteor is dangerous?A meteor is called dangerous if it is big enough, fast enough, and likely to hit Earth where it can cause harm.In depthAsked by Anonymous from Frankfurt, Germany · Science · 19 d agoRead the full answer →What is the difference between Unicode and ASCII?Unicode can show every language's letters and symbols, but ASCII can only show basic English characters.Asked by Anonymous from New York, United States · Computer Science · 19 d agoRead the full answer →What happens if the checksums do not match?If the checksums do not match, it means the data has changed or got damaged during transfer or storage.Asked by Anonymous from Dallas, United States · Computer Science · 19 d agoRead the full answer →What happens if a black hole merges with a star?A black hole merging with a star pulls the star's matter in, often destroying the star and making the black hole bigger and brighter for a short time.In depthAsked by Anonymous from Dallas, United States · Physics · 19 d agoRead the full answer →Why do some files compress more than others?Some files compress more than others because they have more repeated or simple patterns that can be squeezed down.Asked by Anonymous from Dallas, United States · Computer Science · 19 d agoRead the full answer →Are there stronger ways to detect and fix errors in data?You can use special methods to find and fix mistakes in data, so your information stays correct.Asked by Anonymous from Paris, France · Computer Science · 19 d agoRead the full answer →How do bats and dolphins process echoes so quickly?Bats and dolphins use special body parts and fast brains to hear echoes and quickly "see" their world with sound.In depthAsked by Anonymous from Palo Alto, United States · Biology · 19 d agoRead the full answer →What are the limits of sonar—can it detect everything underwater?Sonar cannot detect everything underwater—there are limits to what it can find and how well it works.Asked by Anonymous from Dallas, United States · Science · 19 d agoRead the full answer →Can humans learn to use echolocation like bats or dolphins?Some humans can learn to use echolocation (finding things by sound), but not as well as bats or dolphins.Asked by Anonymous from Indianapolis, United States · Biology · 19 d agoRead the full answer →What is a meteorite and how often do they hit Earth?A meteorite is a piece of rock or metal from space that survives its fall through the atmosphere and lands on Earth.Asked by Anonymous from Tokyo, Japan · Science · 19 d agoRead the full answer →What steps can be taken to reduce noise pollution near rivers?We can reduce noise pollution near rivers by controlling loud sounds and using quieter methods for work and travel.Asked by Anonymous from Seattle, United States · Science · 19 d agoRead the full answer →What is the difference between lossless and lossy compression?Lossless compression keeps all the original data, while lossy compression removes some data to save space.Asked by Anonymous from Palo Alto, United States · Computer Science · 19 d agoRead the full answer →How do scientists find asteroids in space?Scientists find asteroids in space by using powerful telescopes to spot moving dots of light against the background of stars.In depthAsked by Anonymous from Frankfurt, Germany · Science · 19 d agoRead the full answer →How many countries are members of the UN today?There are 193 countries that are members of the United Nations (UN) today.Asked by Anonymous from Seattle, United States · Political Science · 19 d agoRead the full answer →What are some famous architects from modern India?Some famous architects from modern India are people who design special buildings using both Indian traditions and new ideas.Asked by Anonymous from Dallas, United States · 19 d agoRead the full answer →Why did Indian artists start making human images of Buddha?Indian artists started making human images of Buddha to help people connect with him, understand his teachings, and spread Buddhism more easily.In depthAsked by Anonymous from San Jose, United States · History · 19 d agoRead the full answer →How can I use idioms and proverbs in my essays?You can use idioms and proverbs in essays to make your writing more lively and to share wisdom or advice.Asked by Anonymous from Dallas, United States · English · 19 d agoRead the full answer →Can passive voice ever sound rude or unclear?Passive voice can sometimes sound unclear or even rude, depending on how you use it.Asked by Anonymous from Frankfurt, Germany · English · 19 d agoRead the full answer →Why do some countries still use imperial units?Some countries still use imperial units because of tradition, daily habits, and slow changes in laws.Asked by Anonymous from Paris, France · Social Science · 19 d agoRead the full answer →What were the main tactics used by Ahmad Shah Abdali in the battle?Ahmad Shah Abdali used fast-moving cavalry, surprise attacks, and clever planning to win battles like the Third Battle of Panipat.In depthAsked by Anonymous from Bordeaux, France · History · 19 d agoRead the full answer →How do radio waves differ from infrared light?Radio waves and infrared light are both types of light, but radio waves have much longer wavelengths and lower energy than infrared light.Asked by Anonymous from Bordeaux, France · Science · 19 d agoRead the full answer →What happens if someone breaks these river protection laws?If someone breaks river protection laws, they can be punished by the government to protect our rivers.Asked by Anonymous from Dallas, United States · Social Science · 19 d agoRead the full answer →Are there any risks in compressing important files?Compressing important files can save space, but it also brings some risks you need to know.Asked by Anonymous from Seattle, United States · Computer Science · 19 d agoRead the full answer →Can a sentence have more than one verb?Yes, a sentence can have more than one verb.Asked by Anonymous from Dallas, United States · English · 19 d agoRead the full answer →How much power is needed for a bubble curtain in a big river?Power for a bubble curtain is how fast energy must be supplied to push air through water and make bubbles across the river.In depthAsked by Anonymous from Dallas, United States · Physics · 19 d agoRead the full answer →Can you compress a file again and again to make it even smaller?You cannot keep compressing a file again and again to make it much smaller each time.Asked by Anonymous from Dallas, United States · Computer Science · 19 d agoRead the full answer →What is the subject of a sentence?The subject of a sentence is the person, place, thing, or idea that the sentence is about.Asked by Anonymous from Paris, France · English · 19 d agoRead the full answer →How can I prevent file corruption?Keep your files safe by using good habits, safe storage, and regular backups.Asked by Anonymous from Frankfurt, Germany · Computer Science · 19 d agoRead the full answer →What are some important achievements of the UN?The United Nations (UN) has helped keep peace, protect people’s rights, and improve lives around the world.Asked by Anonymous from Dallas, United States · Political Science · 19 d agoRead the full answer →What led to the decline of the Peshwas and the Maratha Empire?The Maratha Empire and its Peshwa leaders declined because of weak leadership, internal fights, British power, and big defeats in battle.In depthAsked by Anonymous from Frankfurt, Germany · History · 19 d agoRead the full answer →Can you use bitwise AND with negative numbers?Yes, you can use bitwise AND with negative numbers, but the result may look strange because of how computers store negatives.Asked by Anonymous from Marseille, France · Computer Science · 19 d agoRead the full answer →How did religious beliefs shape temple and mosque designs?Religious beliefs decide how temples and mosques look, what they include, and how people use them.In depthAsked by Anonymous from New York, United States · Social Science · 19 d agoRead the full answer →