A. Canyons and sedimentary deposits
The consumer would have to make what they need themselves or find someone who can make what they need and of course pay them.
The Cinder cones are the volcanic landform that develops from felsic lava oozing out of the ground—often in the crater of another volcano.
It is made from discharged lava fragments that harden in flight to produce scoria or vesicular rock.
The correct answer is - D. It is impossible to dig through the ice on Antarctica.
Even though the technology is much more advanced nowadays than in the past, the extraction of the numerous natural resources from Antarctica is still pretty much impossible because of the ice cover over the continent.
On average, the ice is around 2 km thick on top of the landmass. Considering the fact that in order to get to the resources, the people will have to dig even more into the ground after they manage to break through the ice, makes it almost impossible, and not to mention economically unjustifiable.
This is due to the change from winter to summer solstice
