cut several holes in it. attach small weights to it. cut it into a smaller shape. replace it with a thin sheet of copper.
A student has built a model in which sheets of cork floating in a tub of water represent tectonic plates. To make the sheet representing an ocean plate more accurate in the model system, the student should

Options:
- cut several holes in it.
- attach small weights to it.
- cut it into a smaller shape.
- replace it with a thin sheet of copper.

attach small weights to it.