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Carbon is capable of forming many allotropes due to its valency.

Drinking soda contains Carbonic Acid.

A fathom is a unit of length in the imperial and the U.S. customary systems equal to 6 feet (1.8288 m), used especially for measuring the depth of water.

A fluorescent lamp, or fluorescent tube, is a low-pressure mercury-vapor gas-discharge lamp that uses fluorescence to produce visible light.

Brownian motion is the random, uncontrolled movement of particles in a fluid as they constantly collide with other molecules.
This pattern of motion typically alternates random fluctuations in a particle’s position inside a fluid sub-domain with relocation to another sub-domain.
Brownian motion of a particle is a result of the thermal motion of the molecular agitation of the liquid medium.
Much stronger random displacement of a particle is usually observed in a less viscous liquid, smaller particle size, and higher temperature.

A lichen, or lichenized fungus, is actually two organisms functioning as a single, stable unit.
Lichens comprise a fungus living in a symbiotic relationship with an alga or cyanobacterium (or both in some instances).
Lichens are an example of mutualism.
The algae is the source of food as it can synthesize food for this simple symbiotic association and the fungus absorbs water and minerals for the algae.

The charge on the proton and electron are exactly the same size but opposite.

Iodine is an essential mineral commonly found in seafood.
Iodine is a chemical element with the atomic number 53.
Seaweed is an excellent source of iodine. However, the amount it contains depends on the species.

Liquid oxygen is a common cryogenic liquid oxidizer propellant for spacecraft rocket applications.
Liquid oxygen has a pale blue color and is strongly paramagnetic: it can be suspended between the poles of a powerful horseshoe magnet.

While the evaporation of refrigerant, volatile liquid, it absorbs heat and converts to vapour. Thus cools the refrigerator.

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