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Edpuzzle
English
Assessing a Claim Based on Context
QUICK CHECK
News stories have claimed that cell phones may cause cancer or other health problems. Others, including
cell-phone providers, have indicated that there is no evidence to support the claim of cell phones causing
health problems. Which statements would most likely be found in a report issued by a cell-phone
provider? Check all that apply.
Cell phones emit radio waves, a form of nonionizing radiation.
Brain tissue is located near where the phone is held and absorbs radiation from the phone.
Cell phone use has increased to 303 million subscribers in the US as of 2010.
The number and duration of cell-phone calls has increased.
DONE
moo

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.