Why is there a leap year every 4th year?
A common year has 365 days and a leap year 366 days, with the extra, or intercalary, day designated as February 29. A leap year occurs every four years to help synchronize the calendar year with the solar year, or the length of time it takes the earth to complete its orbit about the sun, which is about 365¼ days.
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A common year has 365 days and a leap year 366 days, with the extra, or intercalary, day designated as February 29. A leap year occurs every four years to help synchronize the calendar year with the solar year, or the length of time it takes the earth to complete its orbit about the sun, which is about 365¼ days.
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Do snakes have a good sense of smell?
Most snakes have an excellent sense of smell, in part to make up for their poor eyesight and limited hearing. Rather than a conventional nose, however, snakes sniff with an organ at the roof of the mouth called a Jacobson's organ, which is also found in a few lizard species.
@askmenow
Most snakes have an excellent sense of smell, in part to make up for their poor eyesight and limited hearing. Rather than a conventional nose, however, snakes sniff with an organ at the roof of the mouth called a Jacobson's organ, which is also found in a few lizard species.
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Which animal's eye is bigger than its brain?
Ostrich has the biggest eyes in the whole animal kingdom. Its eye is bigger than its brain. Ostriches don't hide their head in the sand. They will lay their head on the ground if they sense a danger.
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Ostrich has the biggest eyes in the whole animal kingdom. Its eye is bigger than its brain. Ostriches don't hide their head in the sand. They will lay their head on the ground if they sense a danger.
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Is a virus considered a living thing?
Viruses are not considered "alive" because they lack many of the properties that scientists associate with living organisms. Primarily, they lack the ability to reproduce without the aid of a host cell, and don't use the typical cell- division approach to replication.
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Viruses are not considered "alive" because they lack many of the properties that scientists associate with living organisms. Primarily, they lack the ability to reproduce without the aid of a host cell, and don't use the typical cell- division approach to replication.
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What animal is called the ship of the desert?
Camels are the only animals that can carry heavy loads from place to place in the desert because they can go for long periods without eating or drinking water. A camel's hump doesn't carry water, as some believe. Instead the hump is filled with fat, which is a built-in food supply.
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Camels are the only animals that can carry heavy loads from place to place in the desert because they can go for long periods without eating or drinking water. A camel's hump doesn't carry water, as some believe. Instead the hump is filled with fat, which is a built-in food supply.
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Which is the most abundant metal in the earth's crust?
Aluminum is the most abundant metallic element on the surface of the earth and moon; it composes more than eight percent of the earth's crust. It is never free in nature, combining with oxygen, sand, iron and titanium; its ores are mainly bauxites (aluminum hydroxide).
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Aluminum is the most abundant metallic element on the surface of the earth and moon; it composes more than eight percent of the earth's crust. It is never free in nature, combining with oxygen, sand, iron and titanium; its ores are mainly bauxites (aluminum hydroxide).
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What kind of animals live in the desert?
There are coyotes, foxes, peccaries, tarantulas, scorpions, ring tailed cats, antelope, skunks, mule deer, boars, and in some places, lions and elephants. There is an abundance of small animals that support the deserts population of hawks, falcons, owls, roadrunners, buzzards, and eagles.
@askmenow
There are coyotes, foxes, peccaries, tarantulas, scorpions, ring tailed cats, antelope, skunks, mule deer, boars, and in some places, lions and elephants. There is an abundance of small animals that support the deserts population of hawks, falcons, owls, roadrunners, buzzards, and eagles.
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Do snails have eyes?
Land snails have two sets of tentacles that stick out, the longer set of tentacles are the ones that have the snail's eyes. This way they can move their tentacles around to get the best view. Water snails, on the other hand, have eyes at the tentacles' base and they have only one pair of tentacles.
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Land snails have two sets of tentacles that stick out, the longer set of tentacles are the ones that have the snail's eyes. This way they can move their tentacles around to get the best view. Water snails, on the other hand, have eyes at the tentacles' base and they have only one pair of tentacles.
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Who first proposed the theory of evolution by natural selection?
In the early 19th century, Jean-Baptiste Lamarck proposed his theory of the transmutation of species, the first fully formed theory of evolution. In 1858, Charles Darwin and Alfred Russel Wallace published a new evolutionary theory that was explained in detail in Darwin's On the Origin of Species (1859).
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In the early 19th century, Jean-Baptiste Lamarck proposed his theory of the transmutation of species, the first fully formed theory of evolution. In 1858, Charles Darwin and Alfred Russel Wallace published a new evolutionary theory that was explained in detail in Darwin's On the Origin of Species (1859).
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What is the enzyme that breaks down lactose?
The enzyme responsible for breaking down lactose is lactase, an enzyme found on the wall of the intestines. Lactase breaks down lactose (the sugar found in milk) into galactose and glucose.
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The enzyme responsible for breaking down lactose is lactase, an enzyme found on the wall of the intestines. Lactase breaks down lactose (the sugar found in milk) into galactose and glucose.
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Which is the only planet that rotates clockwise?
If you were to look down at the plane of the solar system from its 'north pole' you would see the planets orbiting the Sun counter clockwise, and rotating on their axis counterclockwise. Except for Venus. Venus would be rotating clockwise as it orbited the Sun counterclockwise.
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If you were to look down at the plane of the solar system from its 'north pole' you would see the planets orbiting the Sun counter clockwise, and rotating on their axis counterclockwise. Except for Venus. Venus would be rotating clockwise as it orbited the Sun counterclockwise.
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Is a gall bladder an organ?
The gallbladder is a small storage organ located inferior and posterior to the liver. Though small in size, the gallbladder plays an important role in our digestion of food. The gallbladder holds bile produced in the liver until it is needed for digesting fatty foods in the duodenum of the small intestine.
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The gallbladder is a small storage organ located inferior and posterior to the liver. Though small in size, the gallbladder plays an important role in our digestion of food. The gallbladder holds bile produced in the liver until it is needed for digesting fatty foods in the duodenum of the small intestine.
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Are neutrons a positive charge?
Proton—positive; electron—negative; neutron—no charge. The charge on the proton and electron are exactly the same size but opposite. The same number of protons and electrons exactly cancel one another in a neutral atom.
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Proton—positive; electron—negative; neutron—no charge. The charge on the proton and electron are exactly the same size but opposite. The same number of protons and electrons exactly cancel one another in a neutral atom.
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What gland is responsible for regulating metabolism?
The thyroid gland regulates the body's metabolism, while parathyroid glands regulate calcium levels and have no effect on metabolism.
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The thyroid gland regulates the body's metabolism, while parathyroid glands regulate calcium levels and have no effect on metabolism.
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What element is a diamond made of?
Diamonds are made up of the element carbon. Also, graphite is also made up of carbon. The only difference between the two is the way that the atoms are bonded together.
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Diamonds are made up of the element carbon. Also, graphite is also made up of carbon. The only difference between the two is the way that the atoms are bonded together.
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Which mineral is the hardest on the Mohs scale?
As it says in Mohs scale, the diamond is always at the most top of the scale, being the hardest mineral. There are ten minerals in Mohs scale, talc, gypsum, calcite, fluorite, apatite, orthoclase, quartz, topaz, corundum, and for last and the hardest, diamond.
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As it says in Mohs scale, the diamond is always at the most top of the scale, being the hardest mineral. There are ten minerals in Mohs scale, talc, gypsum, calcite, fluorite, apatite, orthoclase, quartz, topaz, corundum, and for last and the hardest, diamond.
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What planet is yellow and orange?
Earth is by far the most dynamic planet when seen from space. Mars: red-orange; this color comes from rusty rocks on the surface since the clouds are rare and thin. Jupiter: has orange and white bands; the white bands are colored by ammonia clouds, while the orange comes from ammonium hydrosulfide clouds.
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Earth is by far the most dynamic planet when seen from space. Mars: red-orange; this color comes from rusty rocks on the surface since the clouds are rare and thin. Jupiter: has orange and white bands; the white bands are colored by ammonia clouds, while the orange comes from ammonium hydrosulfide clouds.
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