Question

Drag and drop the words into the correct locations.(2 points)
Put responses in the correct response input area to answer the question. Select a response, navigate to the desired input area and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
The Montreal Protocol was signed in Press enter key to drop response here.Response input area to phase out Press enter key to drop response here.Response input area substances that were damaging the ozone layer.

1987, greenhouse gas, ozone-depleting,1997

Answer 1

The Montreal Protocol was signed in 1987 to phase out ozone-depleting substances that were damaging the ozone layer.