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Both: The light is produced by organs on the underside of the abdomen and consist of several layers of reflector cells and a lower layer of light-producing cells. These are permeated by nerves and air tubes which supply oxygen to oxidize (with the aid of an enzyme called luciferase) the cell product luciferin.

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Is a light bulb a reversible change?

No, a light bulb is not a reversible change. When the filament inside the light bulb heats up and emits light, it undergoes a chemical change and cannot be easily reversed.


Is turning on a light bulb on a physical or chemical change?

The reason why turning on a light bulb is a physical change is because there is a process of electrical energy being converted into light and heat. You still have the light bulb intact and no new substance is formed.


Is electric bulb glowing a example of chemical or physical changes?

The glowing of an electric bulb is an example of a physical change. When electricity flows through the filament of the bulb, it generates heat and light, causing the bulb to glow. This process does not involve any chemical reactions or changes in the composition of the materials in the bulb. It is simply a conversion of electrical energy into heat and light energy, which is a physical transformation.


What is the relationship between nonrenewable energy and chemical energy?

Nonrenewable energy sources, like fossil fuels, store chemical energy that is released when they are burned. This chemical energy is converted into heat or electricity for human use. However, the combustion of nonrenewable energy sources emits greenhouse gases and contributes to climate change.


Is this physical or chemical when vinegar poured into baking soda produces a white form foaming substance that emits carbon dioxide?

This is a chemical reaction. When vinegar (acetic acid) reacts with baking soda (sodium bicarbonate), it produces carbon dioxide gas, water, and sodium acetate. The bubbling and foaming you observe is the release of the carbon dioxide gas.

Related Questions

Is a firefly an example of direct light or indirect light?

A firefly is an example of direct light, as it emits its own light through a process called bioluminescence.


Is a filament of a light bulb glows when an electric current flows through it is a chemical change?

It is a physical change brought about by the exitation of molecules producing heat and light. A general rule of thumb is that a physical change can be repeated on an article and chemical change cannot. Remove the current from a filament and it is still a filament.


What is the difference between a star and a firefly?

A star is a massive ball of gas that emits light and heat through nuclear fusion, while a firefly is an insect that produces light through a chemical reaction in its abdomen. Stars are celestial bodies found in space, while fireflies are small terrestrial insects found on Earth.


Is a type of chemical when exposed to radiation emits visible light?

is a type of chemical when exposed to radiation emits visible light.


Is a light bulb a reversible change?

No, a light bulb is not a reversible change. When the filament inside the light bulb heats up and emits light, it undergoes a chemical change and cannot be easily reversed.


Is turning on a light bulb on a physical or chemical change?

The reason why turning on a light bulb is a physical change is because there is a process of electrical energy being converted into light and heat. You still have the light bulb intact and no new substance is formed.


What is a light producer?

A light producer is an object or organism that emits light as a result of a chemical or physical process. This can include things like light bulbs, fireflies, and bioluminescent organisms.


Are white phosphorus glows in the dark physical or chemical?

The glow of white phosphorus in the dark is a result of a chemical reaction, specifically the oxidation of phosphorus. When exposed to oxygen, white phosphorus reacts and emits light due to the energy released during the reaction. This phenomenon is not a physical property like fluorescence, but rather a result of the chemical transformation taking place.


Difference between a star and a firefly?

A star is a massive celestial body that emits light and energy through nuclear fusion. A firefly is a small insect that produces bioluminescence to attract mates or prey. The main difference is in their size, nature, and source of light production.


Is electric bulb glowing a example of chemical or physical changes?

The glowing of an electric bulb is an example of a physical change. When electricity flows through the filament of the bulb, it generates heat and light, causing the bulb to glow. This process does not involve any chemical reactions or changes in the composition of the materials in the bulb. It is simply a conversion of electrical energy into heat and light energy, which is a physical transformation.


Why do flames change color?

Flames change color due to the different chemical elements present in the material being burned. Each element emits a unique color when it burns, creating the variety of colors seen in flames.


What change in atomic mass when an atom emits gamma radiation?

It remains the same.