1290 questions and answers in this section
Explain why some plants grow better in the presence of other plants?

Explain why some plants grow better in the presence of other plants?

Some plants have the ability to improve the nutrition of their neighbors simply by growing near them. For example, legumes (such as beans or peas)...

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Explain why killer whales can imitate human language?

Explain why killer whales can imitate human language?

Orcas have a unique vocal anatomy with an organ called a melon, a kind of fatty pocket in their forehead, which acts as a resonating...

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Explain why a magnet can attract metal?

Explain why a magnet can attract metal?

A magnet is an object whose atoms are aligned in a somewhat special way, creating a magnetic field all around it. Imagine this as a...

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Explain why static electricity can be useful for plants?

Explain why static electricity can be useful for plants?

Static electricity actually helps plants reproduce better by facilitating the transport of pollen. Indeed, when a bee approaches a flower, the friction of its wings...

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Explain why does the Leaning Tower of Pisa lean and has not collapsed?

Explain why does the Leaning Tower of Pisa lean and has not collapsed?

From the start, the Leaning Tower of Pisa was built on foundations that were really too weak and too shallow to properly distribute its weight. As soon...

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Explain why mangroves protect coastlines from storms?

Explain why mangroves protect coastlines from storms?

The roots of mangroves act as a true natural brake against the waves that reach the shore. Their dense, intertwined, and often submerged network significantly...

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Explain why eyes turn red when taking photos with flash.

Explain why eyes turn red when taking photos with flash.

When you take a picture with flash, the intense light quickly travels through your eye to the back, reaching a layer called the retina. This...

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Explain why basil is considered a magical plant by some cultures?

Explain why basil is considered a magical plant by some cultures?

The basil was already seen as a powerful plant by the Egyptians and the ancient Greeks. These civilizations believed it opened the gates to the...

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Explain why sargassum seaweed is invading the coasts?

Explain why sargassum seaweed is invading the coasts?

The large invasions of sargassum often begin in the heart of the North Atlantic, specifically in an area called the Sargasso Sea. However, in recent...

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Explain why a candle flame is cone-shaped?

Explain why a candle flame is cone-shaped?

When you look at a candle flame, you can observe several distinct areas. Close to the wick is a small very dark area called the...

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