Examlex
The early energy reactions used hydrogen,which is a powerful ________ and could have been used to form ________.
High-value
Denoting items or activities that are of significant worth, importance, or benefit.
Low-value
Refers to products, services, or attributes perceived as offering minimal benefit or worth in comparison to their cost or significance.
Combinations
The act of combining or joining two or more elements together to form a whole.
English Auction
A bidding process where participants bid openly against one another, and the item is sold to the highest bidder.
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