Where two plates move ____, a constructive plate boundary occurs. As the plates move ____ from each other, a ____ appears. ____ from the ____ below rises to ____ the gap. This can result in volcanic ____ and ____. As the magma eventually ____ on the Earth's crust, new ____ rocks form. The mid-____ ridge is an example of a constructive plate boundary. The sea-____ spreads, with the newest rocks found ____ the plate boundary. ____ is an island that is on the mid-Atlantic ridge. It experiences relatively ____ volcanic eruptions.

Constructive plate boundaries

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?