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She found a ______ of a plant in the rock.
This truck's engine runs on diesel ____.
_________ are things that are useful or valuable to people.
_______ power stations can use plutonium as fuel.
______ is the strength or power to work.
Energy generated by heat stored beneath the earth's surface is known as __________ power.
We can get power from a _____________ dam.
The army have seized _____.
The ____ blew gently over the beach.
____ animals are kept in a barn.