Answer:
the ratio of resolution will be
Explanation:
We have given the diameter of Telescope A is 1 meter
And diameter of telescope B is 6 meter
We know that resolution of telescope is inversely proportional to diameter of the telescope
So 
We have to find the ratio of resolution of B to A
So 
So the ratio of resolution will be
Wow.. Alexander the Great.... I remember learning about him... Any ways to answer your question your answer would be possibly D.. if i am incorrect then I am truly sorry.
Your answer would be D) Stromatolites. hope this helps :)))!