The major useful component of the atmosphere is? by Sunday | Aug 11 | Geography WAEC | 0 comments A. neon B. air C. dust particles D. carbon dioxide E. oxygen Correct Answer: Option E – oxygen Users Also Read These:Termites are useful in agriculture because they?Calculate the annual depreciation of farm machinery…Which of the following crops are useful to the…In medicine, bacteria have proved very useful due to…The following are useful measures for conserving…