Asoil scientist conducts tests on a sample of soil. her tests show that water flows through the soil easily and that the soil does not hold much water. how would this soil sample be described? a. high porosity and high permeability b. low porosity and low permeability c. high porosity and low permeability d. low porosity and high permeability

 A. high porosity and high permeability

Explanation:

Porosity can be define as the quality of the material of having pores or holes. The permeability can be define as the state or quality of a material that allow the liquids or gases to pass through it.

The soil which does not hold much water can be considered of high porosity and high permeability. As it is only possible if the soil has large number of pores and it is not in compact form.  

voluntary muscles are controlled by the cerebellum.

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.