Answer the following question given this paragraph: 

Because of global climate change, temperatures all over Earth are rising. However, the melting points of Earth’s substances, including ice, are constant. The result? Glaciers are melting at an alarming rate. Melting glaciers cause rising sea levels and the risk of dangerous river flooding on land. You can learn more about these effects of melting at this URL: http://video. nationalgeographic. com/video/player/environment/global-warming-environment/glacier-melt. html .


Q: What is occurring at an alarming rate as a result of global climate change and the constant melting point of ice?

 Choices:

- glacial movement

- glacial hardening

- glacial formation

- glacier melt

A:
glacier melt
