A student develops a two-dimensional model to represent the synthesis, modification, and transport of proteins in a eukaryotic cell. The image shows the model made by the student, Golgi
complex
endoplasmic
reticulum
nucleus
mitochondrion
ribosomes
cell
membrane
Next, the student plans to make a model of a prokaryotic cell. Drag the appropriate structure into the box provided to show how the prokaryotic model will differ from the eukaryotic model.
The model will only include loosely arranged DNA and

carbon

explanation:

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.