Sherry believes that she has a serious illness. She has had severe headaches and tremors for several days with no relief from traditional over-the-counter medicines. Her visit to the doctor revealed no organic reason for the headaches. Unsatisfied with the results, she goes to several other medical professionals for treatment. Sherry is most likely suffering from a(n) disorder.

Somatic Symptoms.

Explanation:

These are series of  physical  symptoms associated  with  distress,  experienced by an individual, but which can not be traced  medically to any particular cause , or to  adverse effect of any particular imbibed or exposed chemical  substance.

It is usually a great concern to the affected individuals as though pain is been felt, no evident cause can be attributed to it. Therefore individuals with the condition may also develop anxiety disorders. It  is usually categorized as a form of mental illness.

The cause may be genetic,  due to upbringing , exposure to sexual assault, high sensitivity to pain etc.

Cognitive behavioural therapy is the best method of correcting this condition.

the answer is d.) homologous; have mammary glands

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.