This Layer of a Biofilm Is Exposed to the Highest

question 24

Multiple Choice

This layer of a biofilm is exposed to the highest concentration of nutrients and oxygen, containing the most active organisms. What layer is this?

• A) Outer
• B) Inner
• C) Middle
• D) Substrata

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Definitions:

Bitumen

A black, sticky substance, also known as asphalt, used for road construction and roofing due to its waterproof properties.

Liquid Natural Gas

A form of natural gas that has been cooled down to liquid form for ease and safety of non-pressurized storage or transport.

Natural Gas Transportation

The process of moving natural gas from its production site to the end user, typically involving pipelines or liquified natural gas carriers.

Oil Shale

A type of rock that contains significant amounts of organic material in the form of kerogen, which can be converted into synthetic oil through heating.