1273 questions and answers in this section
Explain why it can snow even when the temperature is above zero degrees Celsius.

Explain why it can snow even when the temperature is above zero degrees Celsius.

Atmospheric humidity refers to the amount of water vapor present in the air. This can vary depending on various factors, such as temperature and atmospheric...

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Explain why some shells produce pearls?

Explain why some shells produce pearls?

When a foreign body such as a grain of sand or a parasite accidentally enters the shell, the organism of the mollusk instinctively reacts. To...

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Explain why the star of the shepherd is named this way?

Explain why the star of the shepherd is named this way?

The shepherd's star is named after the specific period of the year during which it shines most intensely in the sky. In fact, this star, also known...

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Explain why the Grand Canyon is so deep?

Explain why the Grand Canyon is so deep?

The Grand Canyon was formed millions of years ago, due to complex geological processes. It all began with the uplifting of the Earth's crust in...

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Explain why fire burns and forms a flame.

Explain why fire burns and forms a flame.

Combustion is an exothermic chemical process that occurs when a fuel reacts with an oxidizer in the presence of heat to produce heat and light. The fuel...

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Explain why does milk go bad when left at room temperature?

Explain why does milk go bad when left at room temperature?

Milk spoils due to the natural action of bacteria, which are present from the very beginning in the milk. These microorganisms feed on the sugar...

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Explain why coral reefs are in danger.

Explain why coral reefs are in danger.

Human sources of pollution, such as wastewater discharge, agricultural pesticides, hydrocarbons, and solid waste, have devastating effects on coral reefs. Chemicals in wastewater can disrupt...

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Explain why mantis shrimp can see colors invisible to us.

Explain why mantis shrimp can see colors invisible to us.

The eyes of mantis shrimp contain two main types of photoreceptor cells: cones and rods. Cones are responsible for color vision and allow mantis shrimp...

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Explain why does water freeze into forming crystals?

Explain why does water freeze into forming crystals?

Water is made of molecules composed of oxygen and hydrogen (H₂O), which cling to each other through special bonds called hydrogen bonds. This type of...

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Explain why mantis shrimps can strike as fast as bullets?

Explain why mantis shrimps can strike as fast as bullets?

Mantis shrimp, also known as pistol shrimp, are fascinating marine crustaceans known for their ability to strike with astonishing speed and precision. Their unique anatomy...

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