Question

i - ready understanding scientific texts - instruction - level c
rising water is eroding, or wearing away, the banks of the ningliq river.
the rising river isnt the only danger to the people of niugtaq. the village sits on top of a layer of frozen soil called permafrost. permafrost is found underground in the far northern part of the world. permafrost usually stays frozen all year long. but because temperatures are rising, the permafrost in alaska has started to melt. when permafrost melts, the ground above it starts to sink. when the ground sinks, so do the structures on top of it. as a result, many of the buildings in niugtaq are no longer safe.
fill in the blanks to explain the effects of the melting permafrost in niugtaq.
as permafrost melts, it causes the ground to blank. as a result, blank sitting on top of the ground become unsafe.

Explanation:

When permafrost melts, it loses its rigid structure, causing the ground above to sink. Structures built on this sinking ground then become unstable and unsafe.

Answer:

As permafrost melts, it causes the ground to sink. As a result, structures sitting on top of the ground become unsafe.