1.

The units , nanometer , fermi , angstrom and attometre , arranged in decreasing order are expressed as

Answer»

Angstrom , NANOMETRE , FERMI, attometre
Fermi , attometre , angstrom , nanometre
Nanometre , angstrom , fermi , attometre
Attometre , angstrom , fermi , nanometre

ANSWER :C


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