Examlex
The f-block elements are also referred to as the ________ and actinides.
Promote
To actively support or encourage interest in an item, cause, or idea, often through advertising or publicity.
Altruistic
Showing a selfless concern for the well-being of others, often characterizing acts done without expectation of personal gain.
Pay It Forward
A concept involving doing a good deed for others without expecting anything in return, often with the hope that the beneficiary will pass on the good deed to others.
Participation
Definition: The act of taking part or being actively involved in an activity, event, or process.
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