Why are there no bridges over the Amazon River? There are no bridges over the Amazon River because the majority of it goes through thick rainforest where there are no roads and not enough people to need bridges. The Amazon River is either the second longest river in the world or the longest river in […]
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How much were soldiers in World War 2 paid? It depended on the country, but the average US soldier got $50 a month, the average British soldier got two shillings and 6 pence a day, and the average German soldier was paid 35 Reichsmark a month. During World War 2, all of the participating countries
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Why are muskox invisible to satellites? Muskoxen are invisible to heat detection cameras on satellites because they are extremely well insulated by their fur. Muskox are called muskox because of the smell the males produce during mating season. They have a gland called the preputial gland which produces a strongly scented fluid. The preputial glands
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Why is there a ring of fire? The ring of fire is a ring of volcanic activity and it is caused by the tectonic plates in those areas. The ring of fire is called that because it is an area of intense volcanic activity. The ring is 40,000 km long and it basically goes round
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When will the Milky Way and Andromeda collide? The Milky Way Galaxy and the Andromeda Galaxy will collide in about 4.5 billion years. None of us, nor our sun, will be here to see it. We might still be in the Milky Way, but we certainly won’t be here on Earth. The Milky Way Galaxy
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What was an auroch? An auroch is a type of wild cattle that went extinct during the Bronze Age. It is probably the wild ancestor of modern domestic cattle. There is a lot of talk about trying to bring aurochs back from extinction, but I don’t know if that will happen. The word auroch comes
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What is Agent Orange? Agent Orange is a herbicide that is also a defoliant. That means it makes trees lose their leaves. Agent Orange got its name because the 55 gallon barrel it was stored in had an orange band around it. The US military used several different types of herbicides and they all had
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Is it possible to deflect an asteroid? It is, to a certain extent. The deflection has to happen early enough, and the asteroid has to be small enough for it to work. Earth has been hit by countless asteroids over the eons. We are hit by over 17,000 meteors a year. Meteors are pieces of
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What is vulcanization? Vulcanization is a process that changes natural rubber into a stronger and more durable material. This makes rubber far more useful, but is terrible for the environment. Humans have used natural rubber for thousands of years. There are over 2,500 different trees that produce rubber, but the main one is called Hevea
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What is a quasar? A quasar is a very bright energy source at the center of a young, newly formed galaxy. All of the quasars we can see are incredibly far away from us. The word quasar is the shortened form of quasi-stellar radio source and they were named by an astrophysicist called Hong-Yee Chiu
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