1273 questions and answers in this section
Explain why plankton is crucial for the oxygen we breathe?

Explain why plankton is crucial for the oxygen we breathe?

Plankton is crucial in the oxygen cycle as it is responsible for producing a large portion of the oxygen we breathe. In fact, these microscopic...

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Explain why sound travels farther at night than during the day?

Explain why sound travels farther at night than during the day?

At night, many human activities decrease: car traffic, various kinds of work, and industries pause. As a result, there are far fewer background noises to...

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Explain why metal rusts when exposed to moisture.

Explain why metal rusts when exposed to moisture.

The electrochemical potential of a metal is an intrinsic characteristic that influences its tendency to rust or corrode. This potential determines the metal's tendency to...

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Explain why shooting stars are not actually stars falling.

Explain why shooting stars are not actually stars falling.

Shooting stars, also called meteors, are small fragments of rock or dust from space that enter the Earth's atmosphere at high speed. When these space...

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Can you explain why fog can be thicker in some places than in others?

Can you explain why fog can be thicker in some places than in others?

Fog forms when humid air cools enough for the water vapor in the air to condense into tiny water droplets or ice crystals. This cooling...

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Explain why dryads are linked to trees.

Explain why dryads are linked to trees.

In Greek mythology, dryads are nymphs directly connected to specific trees, living in symbiosis with them. Since antiquity, it is often said that they appear...

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Explain why poison dart frogs are so brightly colored?

Explain why poison dart frogs are so brightly colored?

Poison dart frogs are distinguished by their bright and varied colors, which play a crucial role in their survival and reproduction. These colors result from...

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Explain why does the lotus flower remain clean at all times?

Explain why does the lotus flower remain clean at all times?

The surface of lotus petals features a unique nanoscale structure, characterized by the presence of cone-shaped microroughness and nanoridules. These particular structures are responsible for...

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Explain why hail can vary in size within the same storm?

Explain why hail can vary in size within the same storm?

Initial water droplets in a hail cloud can be of different sizes and shapes due to natural variations in the atmosphere. These differences can result...

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Explain why some species of insects light up at night?

Explain why some species of insects light up at night?

Bioluminescence is the ability of a living organism, such as certain insects, to produce and emit its own light. In insects, this luminous phenomenon is...

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