An avalanche (also called a snowslide) is an event that occurs when a cohesive slab of snow lying upon a weaker layer of snow fractures and slides down a steep slope. ... Seismic activity (activities in the earth's crust relating to plate movements) may also trigger the failure in the snowpack and avalanches.
Answer:
Drilling companies drill vertically down to the desired distance and drill horizontally into the shale. They then use hydraulic fracturing, or fracking, to loosen up the rock enough to get the gas out.
Hope this helps
-Amelia
Yes you are correct it’s d
D as they are in different periods
Answer: Permafrost-carbon feedback
Explanation: Permafrost is the later of the earth surface that are frozen, It Thawing is a major cause of Global warming, Permafrost contain many Green House gases such as Methane and other hydrocarbons as the Permafrosts Thaw,unlocking of the carbon deposits on the earth takes placeas all this hydrocarbons released causes flooding,high temperatures and excessive decomposition of organic matters.
