Variations in Black Carbon concentration and sources during COVID-19 lockdown in Delhi.

Chemosphere · 2021 · PMC8021479 · PMID 33412356

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

an increasing trendno p-value reported

From L1 to UN2 an increasing trend in BC ff contribution was observed (except L3) due to the successive relaxations given to anthropogenic activities.

also in 63,971 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.