Answer:
C. Airborne ash and rocks from a volcanic eruption remain suspended in the air for a long time before eventually settling to the ground in a new location far from the volcano.
Explanation:
Tephra deposits take many forms and shape, and their composition doesn't really matter either. The only thing that defines a tephra really is that it was ejected from the mouth of a volcano and fell on the ground where it remained intact (not merged with something else).
So, forms of tephra could be big boulders landing on the volcano's side or ashes that travel around the globe to land on the other side of the planet.
Answer:
You can live in igloos because it gives protection from the cold and some people live in them
Answer:
B) transnational firms
Explanation:
A transnational firm is a company that has business in more than one country. They do not consider any country it national home. They are majorly, after making profit .And they can easily shift power through out the different arms for political purpose.
All other international organisation like the Greenpeace and United Nation are more concerned about the peoples need and are not after profits so, will consider the disruption of the ecosystem of the locals over money. Government and indigenous ethnic group will likely consider the disruption of the local system before embarking on a natural resources exploration except transnational firms.