Which Best Describes an Aneroid Barometer

question 31

Multiple Choice

Which best describes an aneroid barometer?

• A)It is an instrument that uses a meter long tube for measuring air pressure.
• B)It uses a chamber that expands or contracts with changes in air pressure.
• C)It requires the use of mercury.
• D)It is a hypothetical instrument for measuring air pressure.

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Definitions:

Methanogens

Microorganisms that produce methane as a metabolic byproduct in anoxic conditions, often found in wetlands or the guts of animals.

Halophiles

Microorganisms that thrive in high-salt environments, often found in places like salt lakes and the Dead Sea.

Prokaryotes

Unicellular organisms that lack a distinct nucleus and membrane-bound organelles, including bacteria and archaea.

Acellular

Consisting of, or pertaining to, non-cellular structure, lacking cells.