1308 questions and answers in this section
Explain why car windows fog up when it rains?

Explain why car windows fog up when it rains?

Fog is simply water vapor present in the air that turns back into liquid when it comes into contact with a cold surface, like a...

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Explain why an inflated balloon can burst if it stays in direct sunlight?

Explain why an inflated balloon can burst if it stays in direct sunlight?

When you leave your balloon inflated in direct sunlight, the air trapped inside heats up. When a gas like air receives heat, its molecules move...

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Explain why do Icelandic volcanoes emit ash clouds?

Explain why do Icelandic volcanoes emit ash clouds?

Iceland is located right on the border between two major tectonic plates: the North American plate and the Eurasian plate. These plates slowly drift apart...

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Explain why most volcanoes are located at the boundaries of tectonic plates?

Explain why most volcanoes are located at the boundaries of tectonic plates?

Most volcanoes on Earth are located near the edges where large tectonic plates collide, pull apart, or overlap. This area where volcanism is concentrated forms...

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Explain why do salt crystals form in certain desert conditions?

Explain why do salt crystals form in certain desert conditions?

In deserts, the intense heat leads to the rapid evaporation of water present on the surface or just below the ground. When this water evaporates, it leaves...

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Explain why do some orchid flowers resemble insects?

Explain why do some orchid flowers resemble insects?

Natural selection has driven certain orchids to take on the appearance of insects to better attract their pollinators. These orchids, unable to produce nectar, must...

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Explain why is the Gulf Stream current crucial for the European climate?

Explain why is the Gulf Stream current crucial for the European climate?

The Gulf Stream originates in the warm waters of the Gulf of Mexico, where the sun shines brightly and warms the sea. Driven mainly by...

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Explain why natural hot spring water is often rich in minerals?

Explain why natural hot spring water is often rich in minerals?

Natural hot springs primarily occur when rainwater or meltwater seeps into the ground, descends deep, and then heats up in contact with areas of geothermal...

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Explain why we are sometimes dazzled when coming out of a dark room?

Explain why we are sometimes dazzled when coming out of a dark room?

The human eye constantly reacts to variations in light to achieve the best possible vision depending on the situation. As soon as a bright light...

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Explain why do some crystals change color when exposed to light?

Explain why do some crystals change color when exposed to light?

When light touches a crystal, certain electrons absorb specific colors (certain wavelengths, that is). They capture the light energy and jump to a higher level, entering an...

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