First International Conference on environment held on; October 3, 2021October 3, 2021 administrator First International Conference on environment held on; June, 1972.Well Done. Your Answer is Correct Keep it Up!June, 1970.March, 1970.March, 1968. Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Like this:Like Loading...Related Posts:In Bourne shell, which file sets the Unix…