Answer:
if you are talking about the nervous/worry pair then the answer is cause and effect.
estuaries
Chesapeake Bay. The Chesapeake Bay is the largest estuary in the United States. It runs north-south from the mouth of the Susquehanna River to the Atlantic Ocean. It is one of the most productive estuaries in the world, with over 3,600 species of animals and plants.
I hope this helps sorry about my handwriting, I know it's ugly. If u want, I can type this and send it again.
Answer: C
Explanation:
I’m not really sure I’m just guessing
