Im not sure but i think its all the above
Please attach the answer choices to receive a more accurate response.
I feel as if it's D- None of the above. Because though America may support these things, other countries may not.
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!!
