Adesirable intake of dietary fiber is grams daily, according to the daily value.

14 grams

Explanation:

As per the dietary guidelines of America, the recommended intake of dietary fiber is 14 grams per thousand calories. Dietary fiber is made up of carbohydrates (than cannot be digested), lignin intrinsic and intact. A rich fiber diet is essential to take care of heart disease and betterment of laxation.  

Some of the common sources of dietary fibers are – grains, vegetables, fruits, etc.  

semidiurnal tides is !

i did this and it was !

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.