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:A major cost component of running a mail-order firm is the?The transformation of pieces of information into a…A motor vehicle bought for N16,000 was estimated to…The following are useful effect of micro-organisms except?The price of a fixed asset at the end of its useful…