TASK DEFINITION: In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
PROBLEM: Question: The average global temperature has been rising since the end of what era? Answer: pleistocene

SOLUTION: The average global temperature has been rising since the end of pleistocene era.

PROBLEM: Question: What two ways may light be transmitted? Answer: refracted or scattered

SOLUTION: Refracted or scattered two ways may light be transmitted.

PROBLEM: Question: What is the smallest and most fundamental unit of matter, consisting of a nucleus surrounded by electrons? Answer: atom

SOLUTION:
A(n) atom is the smallest and most fundamental unit of matter, consisting of a nucleus surrounded by electrons.