We can infer from the passage that______.A．when put into water, nanaoparticles are highly

We can infer from the passage that______.

A．when put into water, nanaoparticles are highly active and hot enough to vaporize it

B．the steam bubble with some nanoparticles in it would float to the surface with steam released

C．once the nanoparticles are used up, new ones should be put into the water again

D．efficient use of steam may reduce the energy cost in some industrial processes

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