Is this sentence correct:
"Norway discovered petroleum off-shore at the beginning of the 1960s, and started to assign exploration licences from 1965 on."
Christine Christie "Norway discovered petroleum Oil is its natural state so, use this instead. Petroleum would be expected after oil is extracted and refined. Christine Christie assign exploration licences Licences are normally given or issued .
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Christine Christie"Norway discovered petroleum
Oil is its natural state so, use this instead. Petroleum would be expected after oil is extracted and refined.
Christine Christieassign exploration licences
Licences ar