What appears to happen in the sky during one rotation of Earth? Choose the two correct answers. A.
The moon appears to hide the sun.

B.
The sun appears to move past the moon.

C.
Constellations appear to move from east to west.

D.
The sun appears to move from east to west.

E.
The sun appears to move from west to east.

F.
Constellations appear to move from west to east.

I would say B. The sun appears to move past the moon And also D. The sun appears to move from east to west

Explanation:

hope this help sorry if that not correct

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.