<span>The
research team included data from neighboring towns in order
to see if the water pollution was an isolated incident or more
widespread than previously thought. They did not have this data before because the towns had never shared pollution data with each
other until now.
</span>
! That is an exclamation mark
Answer: D
Explanation: did test, hope this helps (:
It’s news articles since textbooks explain about past events, history and what not. Graphic aids are just an explanation and instruction manuals just give simple instructions for a device you bough.