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In physics, _____ is the rate of doing work.
______ is the strength or power to work.
Biofuel is a _________ fuel produced by living organisms.
She found a ______ of a plant in the rock.
This truck's engine runs on diesel ____.
Inelastic collision is an event where objects collide but _______ energy is not conserved.
Heat energy is sometimes called _______ energy – it is the energy needed to make the temperature of something rise.
The sea was clean and ___________.