Express as a Single Logarithm

question 68

Multiple Choice

Express as a single logarithm.

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Definitions:

Iron Ore

Naturally occurring rocks from which iron (Fe) can be economically extracted, constituting a key raw material for steel production.

Coal

The natural, brown to black rock derived from peat and other plant materials that have been buried, compacted, and heated; used for heating and to generate electricity.

Marine Organisms

Living creatures that inhabit the ocean, ranging from microscopic phytoplankton to large whales, adapted to the marine environment.

Organic Material

Matter derived from living organisms, including plants, animals, and their byproducts, which can decompose into soil.