1273 questions and answers in this section
Explain why some volcanoes are active while others are dormant?

Explain why some volcanoes are active while others are dormant?

Magma can be fluid or viscous. It depends on its chemical composition. Magma with a lot of silica? Very viscous. This makes eruptions more explosive. Magma with...

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Explain why indoor plants can help purify the air?

Explain why indoor plants can help purify the air?

Plants perform photosynthesis, a magical process where they transform light into energy. They absorb carbon dioxide (CO2) and release oxygen in return. It's somewhat like...

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Explain why do fish breathe underwater through their gills?

Explain why do fish breathe underwater through their gills?

Gills are kind of like a fish's lungs, but with more style. They are made up of gill filaments, which are thin, long structures. Each...

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Explain why are some sounds intolerable to human ears?

Explain why are some sounds intolerable to human ears?

The human ear is a true precision machine in balance. When we talk about disruption of acoustic balance, we refer to sudden, loud, or erratic...

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Explain why has the city of Crescent City (in the United States) been affected by so many tsunamis?

Explain why has the city of Crescent City (in the United States) been affected by so many tsunamis?

Crescent City is nestled on the west coast of the United States, at the very northern tip of California. It is located along the Pacific...

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Explain why trees in windy regions often have inclined trunks?

Explain why trees in windy regions often have inclined trunks?

The wind constantly pushes against the trees, somewhat like someone who would keep jostling you. Over time, a tree develops a lean to resist this...

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Explain why bamboo forests grow so quickly?

Explain why bamboo forests grow so quickly?

Bamboos are growth champions thanks to their genetic adaptations. They possess genes that promote optimal development. Their cell structure is designed for rapid divisions, allowing...

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Explain why do tides occur regularly?

Explain why do tides occur regularly?

Tides are mainly caused by the gravitational forces between the Earth, the Moon, and the Sun. The Moon has a major effect because it is...

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Explain why are some tropical forests called cloud forests?

Explain why are some tropical forests called "cloud forests"?

A cloud forest is a type of tropical forest found at high altitudes. There, the climatic conditions promote the formation of low clouds and fog. These clouds...

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Explain why do some stars emit X-rays?

Explain why do some stars emit X-rays?

X-rays are invisible forms of light. They have a very high energy. Their wavelength is short, which means they easily pass through a lot of...

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