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How many shades of gray can the unaided human eye detect?

awaldrop928

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6 years ago

How many shades of gray can the unaided human eye detect?

How many shades of gray can the unaided human eye detect?

a. 32
b. 320
c. 3,200
d. 32,000

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Essentials of Dental Radiography for Dental Assistants and Hygienists

Essentials of Dental Radiography for Dental Assistants and Hygienists

Edition: 10^th

Authors: Thomson, Johnson

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nic

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awaldrop928 Author

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