ONTA (Geology) Coal and Petroleum / Crude Oil Sample Sets

1) Introduction



Coal and petroleum / crude oil are very important non-renewable energy resources that will one day run out.  

ONTA is a geology company that makes different kinds of educational coal and petroleum / crude oil sample sets. 

They show how coal and oil are made in and come from the earth and how they are similar to and different from each other.

These sets can all be seen by pressing on any of the different numbered page links located on the left hand side column. 


 Please note that I am moving at the beginning of next week so it will take more time for most orders to be prepared and to be sent out

 since I am in the process of preparing for moving. Thus, most orders will be prepared and sent out sometime next week after I move. Thanks. 

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