Answer:
I will research on troposphere Because:-
1. Most of phenomena occurs in troposphere
2. Most of terrain is found in troposphere
3. It is first layer of atmosphere
4. It is the nearest layer of atmosphere from the surface of earth
5. As it contain most of things so there most chance of discovering a new undiscovered thing
Explanation:
Hope this help!!
Fishing is the leading industry in Greenland.
The answer to this would be A, because they began to spread westward once they decided to head away from the Arctic.
The transformation of agricultural products (raw ingredients) into food, or a form of food into another form
New seafloor is the answer