Which statement best describes how a new human trait develops and can be passed on to future generations?
A mutation in a stomach cell results in the inability of a woman to produce a certain digestive enzyme
2.
A mother consumes alcohol during pregnancy, causing the fetus to have a low birth weight
During meiosis, a new combination of DNA subunits is formed.
4.
During mitosis, DNA does not divide correctly and the cells die.

answer; i believe the correct answer is (data); /// good luck

the correct answer is:

a population changes in response to a change in the environment.

the correct answer is d

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.