The Sound Intensity in the Front Rows of a Rock

question 17

True/False

The sound intensity in the front rows of a rock concert is approximately 110 decibels. A pair of earplugs reduces sound intensity by about 30 decibels. A person wearing earplugs who is seated in the front rows of a rock concert for one hour has sufficiently protected his or her ears from hearing damage.

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Definitions:

Rhizarians

A group of mostly unicellular eukaryotic organisms that include foraminifera, radiolarians, and cercozoans, characterized by their amoeboid movement and complex shell structures.

Coccolithophorids

A group of planktonic algae that produce calcium carbonate plates known as coccoliths, contributing significantly to marine sediments.

Brown Algae

A large group of mostly marine multicellular algae, including many seaweeds, that are typically brown due to the presence of fucoxanthin pigment.

Representative Clade

A taxonomic group representing a branch on the tree of life, including an ancestor and all its descendants.