What was new or was interesting from your readings in Chapter 15 and Chapter 16? Comment on how it affects humans and natural ecosystems.
In 2 seperate (1-2 paragraphs), tell us about something interesting you learned from the week’s chapter assignment or mini exercise—maybe something you never heard of before or a special topic that relates to a coastal hobby like surfing, boating, fishing, etc. 
MUST BE 2 SEPERATE PARAGRAPHS FOR EACH CHAPTER. YOU MUST ONLY USE THE SOURCE I HAVE PROVIDED
FYI: I do not care which topic you pick that is interesting from the readings.You are encouraged to use the internet to do some research to make the posts more interesting.