Biodegradation of Oil in Soil Is Difficult Due to a Lack

question 4

Multiple Choice

Biodegradation of oil in soil is difficult due to a lack of ______________,which is very expensive to introduce into the sediments.

• A)nitrogen
• B)phosphorous
• C)oxygen
• D)carbon

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Definitions:

Ossicles

The three small bones in the middle ear called the malleus, incus, and stapes, which are essential for the transmission of sound.

Eardrum

A slim barrier dividing the external ear from the middle ear, which oscillates upon receiving sound vibrations.

Pharynx

A muscular tube that connects the mouth and nasal passages to the esophagus and larynx, facilitating breathing and swallowing.

Endolymph

A fluid located within the membranous labyrinth of the inner ear, playing a key role in hearing and balance.