152 questions and answers in this section

Natural Sciences » Physics

Explain why citrus fruits such as lemons float in water.

Explain why citrus fruits such as lemons float in water.

The density of a citrus fruit directly depends on what it contains. Generally, it is composed mostly of water, nearly 90%, with a bit of...

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Explain why seeds sometimes need to pass through the digestive tract of animals in order to germinate.

Explain why seeds sometimes need to pass through the digestive tract of animals in order to germinate.

Seeds need to pass through the digestive tract of animals for several reasons. First, this process allows seeds to move over longer distances than if...

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Explain why are LED bulbs classified as F?

Explain why are LED bulbs classified as F?

LED bulbs, compared to traditional bulbs, have more durable components. LEDs are typically encapsulated in solid plastic, making them less vulnerable to shocks and vibrations. Additionally, LEDs...

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Explain why garlic leaves a lingering smell on hands?

Explain why garlic leaves a lingering smell on hands?

Sulfur compounds in garlic are responsible for the characteristic smell of this food. Garlic contains organic sulfur compounds such as allicin, responsible for its distinctive...

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Explain why magnets attract or repel each other?

Explain why magnets attract or repel each other?

The magnetic phenomenon mainly comes from the movement of electrons within atoms. Each electron has a small natural magnetic field, due to its own movement...

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Explain why did Einstein wear shoes without socks?

Explain why did Einstein wear shoes without socks?

Albert Einstein is famous for his scientific genius but also for his rather unconventional appearance: unkempt hair, oversized sweaters, and of course, shoes without socks. Some even...

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Explain why mussels adhere to rocks with their filaments.

Explain why mussels adhere to rocks with their filaments.

The attachment filaments of mussels, also called byssus, are structures secreted by mussels to securely anchor themselves to substrates such as rocks. These filaments are...

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Explain why the vines of tropical plants can reach impressive lengths?

Explain why the vines of tropical plants can reach impressive lengths?

The vines of tropical plants can reach impressive lengths thanks to their exceptional growth potential. This type of plant is characterized by its ability to...

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Explain why a balloon deflates after a few days?

Explain why a balloon deflates after a few days?

A balloon is never perfectly airtight: even if your balloon looks impeccable, the molecules of gas inside are constantly moving and can gradually escape through...

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Explain why tomatoes are red.

Explain why tomatoes are red.

The secret of the bright red color of tomatoes is called lycopene. It is a natural pigment that belongs to the large family of carotenoids, these molecules...

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