Precautions In The Use Of Secondary Data

Primary And Secondary Data

Enumerate five sources of secondary data.

As a precaution, the source of electricity which should not be used while doing experiment is _______.

In the catalytic reduction of ketone to secondary alcohol, the catalyst used is

Classify the following information as primary or secondary data. For a school project, literacy percentage of give villages gathered by a student from the internet.

Give two examples where geographers use secondary data.