Which of the following is not an interpretation that can be made from an age structure diagram? the rate of change in population size the distribution of age the comparative sizes of the male and female populations the effect of a natural disaster on population size

Option D, effect of a natural disaster on population size

Explanation:

Age structure diagram is also known as population pyramid. In this, the population is grouped into different range of ages such as 0-5 years, 5-15 years, 15-30 years – 30-50 years, 50-60 years and above 60 and further grouped into male and female population. The population under each sex and age group classification is represented as vertical bars. Usually the female population is kept on right and male population is kept on left.  

This pyramid is used to study the changes in the population structure based on its age group and sex.  It gives no interpretation of change of size of population  due to any natural disaster.

Hence, option D is 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.