On march 24, 1989, an oil tanker ran aground on bligh reef in prince william sound, alaska, and spilled millions of liters of crude oil. the graph shows pink salmon populations in prince william sound from 1970 to 1999. what do these data suggest about the effect the oil spill had on pink salmon?

i think it’s c but i might be wrong. if i am let me know! have a good rest of your day as well!

estuaries are the partially enclosed coastal bodies of brackish water formed at the mouth of sea where river meets an ocean. it is a transition zone between river and sea water so estuaries are influenced to both marine environment such as tides, waves and to riverine such as flow of fresh water and sediments. the mixing of sea and fresh water provide high level of nutrients, making estuaries a high product habitats.

many estuaries suffers degradation from a variety of human activities like erosion from deforestation, overgrazing, overfishing, drainage and eutrophication.

so from the above statement answers will be

1. false as estuaries are formed due to both brackish and freshwater.

2.true, due to high productivity estuaries are breeding ground for many marine species.

3. direct and indirect activities of man that contribute to pollution and deposition of sediments.

well, i believe that the answer is 2. : 3