instruction:
You are given a passage. You need to construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) its answer is the whole paragraph. Avoid creating questions that can be answered correctly without actually understanding the paragraph.
question:
Some evidence of photosynthesis was found on rocks in Greenland dating from 3.7 billion years ago. Danish researchers reached that conclusion analyzing the relative abundance of uranium and thorium in some rocks, and the high abundance of uranium in those suggests that there was oxygen present. Their conclusion was that microorganisms like present day cyanobacteria were converting sunlight to chemical energy through oxygen-producing photosynthesis.
answer:
What is the oldest evidence of life?


question:
You could use the circle to crop the earth map image and then apply the "bubble" or "sphere" distortion filter to it.  It won't be a real 3d spherical map of the earth, but it may look similar if you are patient.
answer:
Starting with a circle, I want to apply an earth map image and then turn to an sphere using photoshop. how?


question:
There is no such Internet site as "escun.com" and there is no such company as "Escrow United."
answer:

Does anyone know about escun.com, Escrow United?


