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:Which of the following sources of water is least…A motor vehicle bought for N16,000 was estimated to…In medicine, bacteria have proved very useful due to…Which of the following crops are useful to the…Termites are useful in agriculture because they?