1290 questions and answers in this section
Explain why some plants explode to disperse their seeds?

Explain why some plants explode to disperse their seeds?

Some plants with explosive dispersion have tissues capable of becoming under mechanical tension as they gradually dry out, like natural springs. When a certain internal...

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Explain why do icebergs appear blue?

Explain why do icebergs appear blue?

Ice is simply frozen water, but what’s interesting is how its water molecules are organized. When it freezes, water structures itself into a regular network, forming hexagonal...

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Explain why sand dunes have such a perfect shape?

Explain why sand dunes have such a perfect shape?

The incredible regularity of the dunes is mainly explained by simple physical phenomena of transport and deposition of sand. Under the effect of the wind, the lightest...

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Explain why some roses have blue petals naturally.

Explain why some roses have blue petals naturally.

The color of roses mainly comes from pigments called anthocyanins. These are what give pink, red, or purple hues depending on their concentration and chemical...

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Explain why the Potomac River influenced the location of Washington D.C. ?

Explain why the Potomac River influenced the location of Washington D.C. ?

The Potomac River was a decisive factor in the location of Washington D.C. due to its central position on the East Coast of the United...

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Explain why mangroves are ecosystems so crucial for the oceans?

Explain why mangroves are ecosystems so crucial for the oceans?

Mangroves are true marine nurseries, hosting an astonishing biodiversity. Fish, crabs, and shrimp come to shelter here to grow peacefully before joining the open ocean. They also...

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Explain why do polar ice caps play a crucial role in regulating the Earth's climate?

Explain why do polar ice caps play a crucial role in regulating the Earth's climate?

Ice caps act as a huge natural mirror, their white surface reflecting a large part of the sun's rays directly back into space. This phenomenon...

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Explain why do some volcanoes erupt pyroclastic flows while others produce lava flows?

Explain why do some volcanoes erupt pyroclastic flows while others produce lava flows?

The major difference mainly comes from the silicon present in the magma. Simply put: the more silica (silicon dioxide) the magma contains, the thicker and...

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Explain why the weather can be unpredictable at times?

Explain why the weather can be unpredictable at times?

The atmosphere is a remarkable dynamic mix: temperature, pressure, humidity, and winds are constantly interacting, but not always in harmony. This complex interaction often creates...

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Explain why water is a universal solvent.

Explain why water is a universal solvent.

Water is a small, simple molecule but quite special. Composed of one oxygen atom and two hydrogen atoms (that's why it's called H₂O), it has...

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