1. Which of the following describes confirmatory analysis? 1. Clear hypotheses about the data are tested
2. concerned with avoiding answering the original research question
3. no clear hypothesis is stated before analyzing the data, and the data is searched for models that describe the data well
4. analyses aimed at answering the research question are performed as well as any other relevant analysis needed to write the first draft of the research report

4

Explanation:

analyses that are aimed at answering each research questions are always performed

explanation:

okay now i don't know this but for the pints nothing else to say bye

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.