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Explain why is polarized light used to reduce glare in sunglasses?

Explain why is polarized light used to reduce glare in sunglasses?

Light usually moves in the form of waves that vibrate in all directions. When it bounces off a surface like a wet road or a...

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Explain why do succulent plants have thick and fleshy stems?

Explain why do succulent plants have thick and fleshy stems?

Succulent plants have an extraordinary ability to store water due to their internal tissues filled with highly spongy specialized cells. These cells, called aquifer parenchyma, capture and...

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Explain why does bacterial mimicry help in the survival of species in hostile environments?

Explain why does bacterial mimicry help in the survival of species in hostile environments?

Bacteria adopt mimicry to camouflage themselves, like discreet spies infiltrated behind enemy lines. By copying the structures or molecules of their hosts or their environment, they deceive...

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Explain why do artificial satellites remain in orbit around the Earth?

Explain why do artificial satellites remain in orbit around the Earth?

It is thanks to Earth's gravity that satellites orbit around it instead of flying straight off into space. This force acts like a kind of...

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Explain why can lightning trigger forest fires?

Explain why can lightning trigger forest fires?

In a thundercloud, strong turbulence causes ice crystals, water droplets, and particles to collide. These collisions create a separation of electric charges: negative charges generally...

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Explain why do underwater divers perceive colors differently depending on the depth?

Explain why do underwater divers perceive colors differently depending on the depth?

Underwater, colors gradually disappear as you go deeper. In reality, water acts as a filter that absorbs certain colors faster than others. Red is the...

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Explain why do curls naturally form only for certain types of hair?

Explain why do curls naturally form only for certain types of hair?

The shape of hair depends a lot on the internal structure of the hair, particularly the shape of the hair follicle. Imagine that your hair...

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Explain why the cry of whales can travel hundreds of kilometers underwater?

Explain why the cry of whales can travel hundreds of kilometers underwater?

Water is a great conductor of sound due to its high density: the molecules are close together, and sound easily travels from one to another. Underwater, sound...

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Explain why do bath salts fizz in water?

Explain why do bath salts fizz in water?

Effervescent bath salts fizz due to a simple phenomenon: the interaction between an acidic ingredient (often citric acid) and a basic ingredient (most commonly baking...

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Explain why can some fish survive in very hot or very cold waters?

Explain why can some fish survive in very hot or very cold waters?

In certain fish living in extreme cold, such as Antarctic fish, there are proteins in their blood called antifreeze proteins. These proteins prevent the formation...

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