It is a genus (which is greater than a species but lower than a family) of extinct lamp shells, called brachiopods.
Answer:
<em>Oh i think if you search for your friend then I think it will come... I THINK!! I am not sure... Sorry if I am wrong... I am trying to answer all the question properly.</em><em> </em><em>Have </em><em>a </em><em>nice </em><em>day:</em><em>)</em>
The answer is-Hydroelectric Hope this help
The bulk of facebook's revenue comes from: advertising