Finish the following sentence with the best choice: When making a window greenhouse, what can I use to seal the gaps between the plastic bin and the window frame?

Choices:
- You can use standard 2-inch insulation foam, along with duct tape to close any remaining air gaps.
- You can use standard 2-inch insulation foam, along with masking tape to close any remaining air gaps.

Answer:
You can use standard 2-inch insulation foam, along with duct tape to close any remaining air gaps.