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Title: Approximately 100 elements occur in nature. How many of them are widespread in m Post by: Wrogue on Jul 11, 2014 Approximately 100 elements occur in nature. How many of them are widespread in making the minerals and rocks of the crust?
A) all of them B) three quarters of them C) half of them D) a quarter of them E) none of them Title: Re: Approximately 100 elements occur in nature. How many of them are widespread in m Post by: padre on Aug 4, 2014 Content hidden
Title: Re: Approximately 100 elements occur in nature. How many of them are widespread in m Post by: Wrogue on Aug 5, 2014 Thanks, you perfectly answered my question.
Title: Re: Approximately 100 elements occur in nature. How many of them are widespread in m Post by: padre on Aug 27, 2014 No worries, happy to help.
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