Juan is planning an investigation about natural reserves. which of these is most likely to be a reliable source of scientific information on the internet

 It depends on the credibility and reliability of the said source. Thus, a primary source is a type of obtaining or sourcing information after the phenomenon occurred at that particular time and when photographs are the first-hand materials that were able to capture that specific moment which then can convey the information. Primary resources also include –newspapers, journal articles, magazines and etc. These information are very vital for its credibility and reliability.

The answer is c.  h+  and oh−  react to form water (h2o). i just took the test and i got it right. hope this !