The institute of medicine identified which level of government as the central force in public health, bearing primary public sector responsibility for the health of the people?

The correct answer is the state legislature.  

The Institute of medicine has identified state legislature as the central force in public health. The United States comprises 51 state health departments and many local health agencies. Their structure, size, and authority vary, however, they exhibit specific tendencies to address obesity.  

As they are accountable for public health, they can impart several steps themselves and organize efforts with other departments to further health in all the policy domains.  

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.