Sort the characteristics based on whether they describe volcanoes, earthquakes, or both. occurs underwater

2.
natural hazard

3.
measured using a seismograph

4.
lava comes out

5.
forms a mountain

6.
measured on the Richter scale

7.
caused by subduction

a chemical reaction

explanation:

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.