1211 questions and answers in this section
Explain why hot objects appear to twinkle in the distance?

Explain why hot objects appear to twinkle in the distance?

Atmospheric disturbance can play an important role in the flickering of hot objects observed from a distance. When light from these objects passes through different...

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Explain why do the stars twinkle at night?

Explain why do the stars twinkle at night?

The stars twinkle at night due to the interaction of starlight with the Earth's atmosphere. This optical phenomenon is caused by atmospheric turbulence acting as...

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Explain why bees dance to communicate with their fellow bees.

Explain why bees dance to communicate with their fellow bees.

Bees dance to communicate because it is an effective way to transmit essential information to their fellow bees. This form of complex communication is primarily...

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Explain why do meteors shine when they enter the Earth's atmosphere?

Explain why do meteors shine when they enter the Earth's atmosphere?

Meteors, commonly called shooting stars, are fragments of rock, metal, or ice that enter the Earth's atmosphere at high speed. These fragments are usually from...

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Explain why glass is transparent to visible light?

Explain why glass is transparent to visible light?

When incident light comes into contact with a material, it interacts with the electrons present in the material. The polarization of electrons is a phenomenon...

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Explain why the sun rises in the east?

Explain why the sun rises in the east?

The rotation of the Earth around its own axis is the first reason why the Sun appears to rise in the east. This rotational movement...

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Explain why the northern lights mainly occur near the poles.

Explain why the northern lights mainly occur near the poles.

The Earth's magnetic field undergoes disturbances that are essential for the formation of the northern lights. These disturbances are mainly caused by solar flares and...

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Explain why some people are left-handed?

Explain why some people are left-handed?

Scientific research has shown that handedness, that is being right-handed or left-handed, is partly influenced by genetic factors. Studies conducted on twins have shown a...

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Explain why is the grass green?

Explain why is the grass green?

The distinctive green color of grass is mainly due to the presence of specific pigments in plant cells, called chlorophylls. Chlorophylls absorb light in the...

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Explain why do meteors shine when passing through the atmosphere?

Explain why do meteors shine when passing through the atmosphere?

When a meteor enters Earth's atmosphere, it travels through this layer of gas at an extremely high speed. This speed can reach several tens of...

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