1273 questions and answers in this section
Explain why the Eiffel Tower does not rust despite the bad weather conditions?

Explain why the Eiffel Tower does not rust despite the bad weather conditions?

The Eiffel Tower does not rust despite the weather due to its protective coating of puddled iron. This material is made up of diamond-shaped plates...

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Explain why do clouds form in ball shape?

Explain why do clouds form in ball shape?

When warm air containing water vapor rises, it cools down. As it cools, its ability to retain moisture decreases. When the air temperature reaches the...

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Explain why rock formations in the shape of an arch are so rare in nature.

Explain why rock formations in the shape of an arch are so rare in nature.

Rock formations in the shape of arches are very distinctive and visually striking geological structures. Their rarity is partly explained by the specific geological conditions...

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Explain why milk goes bad if left out of the refrigerator?

Explain why milk goes bad if left out of the refrigerator?

Milk mainly turns bad due to bacterial growth. When milk is exposed to air and warmer temperatures, bacteria in the environment begin to multiply. These...

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Explain why oxygen is necessary for combustion?

Explain why oxygen is necessary for combustion?

Combustion is a chemical process during which a substance reacts with an oxidizer to produce heat and light. In most cases, oxygen from the air...

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Explain why flies often get stuck in the house?

Explain why flies often get stuck in the house?

Flies often get stuck in houses because of the small size of the openings. Indeed, these insects are attracted by the natural light coming through...

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Explain why pheromones are so effective for communication in insects?

Explain why pheromones are so effective for communication in insects?

Phéromones are chemical communication molecules produced by insects to transmit information to their congeners. They can be classified into different categories based on their molecular...

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Explain why the Earth sometimes experiences lithospheric tremors in non-seismic areas.

Explain why the Earth sometimes experiences lithospheric tremors in non-seismic areas.

The Earth's lithosphere is the rigid outer layer of the Earth, composed of the Earth's crust and the upper part of the mantle. It is...

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Explain why electricity can make a motor turn?

Explain why electricity can make a motor turn?

Electromagnetism is a branch of physics that studies the interactions between electricity and magnetism. These two phenomena were once considered distinct, until physicist James Clerk...

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Explain why flowers have different colors and shapes to attract insects.

Explain why flowers have different colors and shapes to attract insects.

Pollination by insects is a crucial process for the reproduction of flowering plants. Insects such as bees, butterflies, and beetles carry pollen from the male...

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