Question

physics. all lengths cannot be measured in metres lesson physical quantities and measurement.​

Answer 1

Answer:

All lengths can be measured in meters. Hand span, forearm length and foot step cannot be used as measurement units

Explanation:

Measurement is a process of comprising an object with a standard 'unit of measurement'. Standard unit of measuring length is called meter. But hand span, forearm length and foot step cannot be used as standard units measurements because their length is not the same for all the persons.