1290 questions and answers in this section
Explain why forest mushrooms react to light and change shape.

Explain why forest mushrooms react to light and change shape.

Wood mushrooms respond to light through special molecules called photoreceptors. These tiny detectors act like little microscopic eyes—not for clear vision, but just to perceive...

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Explain why some people are more sensitive to temperature changes and how to cope with it.

Explain why some people are more sensitive to temperature changes and how to cope with it.

Some people experience temperature differently because their ability to thermoregulate is more or less effective. The body adjusts its temperature by manipulating blood vessels, which, depending on...

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Explain why does the size of ice crystals vary in a glacier?

Explain why does the size of ice crystals vary in a glacier?

Temperatures play a key role: when it's very cold, the crystals remain small because the snow compacts slowly and quietly. Conversely, milder temperatures close to...

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Explain why bananas are curved?

Explain why bananas are curved?

Bananas are curved because their biological growth forces them to move towards the light source, which is called phototropism. Essentially, bananas grow oriented upwards rather...

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Explain why rainbows can sometimes form complete circles?

Explain why rainbows can sometimes form complete circles?

When sunlight passes through a droplet of water, it is both refracted, reflected off the inner surface, and then refracted again as it exits. These...

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Explain why do the flowers of some plants close at night and open during the day?

Explain why do the flowers of some plants close at night and open during the day?

These opening and closing movements of flowers are mainly the result of a phenomenon called nyctinasty. This process relies on variations in internal pressure within...

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Explain why the Mayans had such expertise in astronomy to build observatories?

Explain why the Mayans had such expertise in astronomy to build observatories?

For the Mayans, it was simple: observing the stars was an integral part of their daily life and religion. They scanned the sky with the...

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Explain why coral reefs can help protect coastlines from storms.

Explain why coral reefs can help protect coastlines from storms.

Coral reefs serve as natural barriers: when a wave passes over them, it loses a large part of its energy before reaching the shore. The...

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Explain why does the mirage phenomenon occur on hot roads?

Explain why does the mirage phenomenon occur on hot roads?

Light refraction is simply the way light bends or changes its path when it passes from one medium to another, like from air to water. Each medium...

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Explain why raindrops are sometimes round and sometimes flattened?

Explain why raindrops are sometimes round and sometimes flattened?

At first, each drop of water naturally takes the shape of a perfect sphere. Why? Because water spontaneously seeks to have the smallest possible surface, and that...

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