How big asteroid that killed the dinosaurs?

How big asteroid that killed the dinosaurs? It was tens of miles wide and forever changed history when it crashed into Earth about 66 million years ago. The Chicxulub impactor, as it’s known, was a plummeting asteroid or comet that left behind a crater off the coast of Mexico that spans 93 miles and goes […]

What are 5 facts about the Ring of Fire?

What are 5 facts about the Ring of Fire? 7 Hot Facts About the Pacific Ring of Fire It’s an International Sensation. Plate Tectonics Make the Whole Thing Possible. It’s Home to World’s Deepest Ocean Trench. It’s Littered With Volcanoes and Prone to Earthquakes. Its Quakes Aren’t Always Interconnected. It’s a Great Producer of Geothermal […]

Which of the following is the weakest bond?

Which of the following is the weakest bond? (a) H-bond is only an interaction between electronegative element and hydrogen therefore, it is the weakest bond among all. Why is Bond making exothermic? Bond forming is an exothermic process, because it releases energy. In reaction profile diagram, the energy change in a reaction, is the difference […]

What is the IQ rating scale?

What is the IQ rating scale? IQ tests are made to have an average score of 100. Most people (about 68 percent) have an IQ between 85 and 115. Only a small fraction of people have a very low IQ (below 70) or a very high IQ (above 130). The average IQ in the United […]

What is another word for centi?

What is another word for centi? a combining form meaning “hundredth” or “hundred,” used in the formation of compound words: centiliter; centimeter; centipede. What does centi mean in Latin? Centi (symbol c) is a unit prefix in the metric system denoting a factor of one hundredth. Proposed in 1793, and adopted in 1795, the prefix […]

Why is o not stable?

Why is o not stable? One oxygen atom is unstable since it has only 6 electrons in the outermost shell. For an atom to be stable it needs 8 electrons. So, for the oxygen atom to be stable it requires two more electrons in the valence shell. Why does O2 exist but not S2? In […]

Was the Ark bigger than the Titanic?

Was the Ark bigger than the Titanic? As you will soon see, conditions were not ideal. We know that the ark was bigger than a rowboat, but smaller than the Titanic. In fact, we know its exact size – it was 450 x 45 x 75 feet, with an approximate volume of 1,518,750 cubic feet. […]

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