Answer:
People can help prevent erosion to the coastline by limiting the construction of seawalls and sandbags that lead to beach erosion. Communities should preserve natural sand dunes, as they protect the coastlines from erosion. Man-made sand dunes actually do the opposite. It is important to consider that natural sand dunes are made of layers of different types of sand, which enables the wind to gather sand in a specific spot instead of reducing it, while also allowing vegetation to grow deeper and protect the coastline.
Explanation:
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Floor and committee consideration of the policy
<u>CIVIL AND POLITICAL PARTICIPATION OF JESSE JACKSON:</u>
Jesse Jackson, the African American civil activist turned politician is one of the national heroes America ever had. He being a black at America, faced racism against which, he started his fight with his civil rights activities.
He then turned into a politician, served as a shadow US senator and his name was in the US presidency nominations twice consequently which was itself a great achievement for anybody, especially for someone whose race faces most taunted non-humanitarian racist feelings. Hence, his civil and political participation was significant as it helped the backward people to take one step forward.
Following enlisted are the answers for the above mentioned question.
Explanation:
1. Population pyramids is graphical representation of data which enables oneself to distinguish and have a clear picture in minds about the ratio of population densities keeping any one parameter as constant. Population pyramids could be used to analyze data in many different scales on the basis of gender,age groups, race etc. Examples-having a record of no. of individuals in different age groups in India.
2. Generally, there are 3 types of population pyramid on the basis of shapes of the pyramid. Those are;
- Expansive
- Constrictive
- Stable
Siting an example of age-sex pyramids,
In case of the Expansive, population pyramids show that the populations that have a larger number of persons in young age groups. The shape obtained hence is usually with high fertility rates with lower death rates
Then comes, Constrictive population pyramids. These are named so since they are constricted at the bottom. They undue a low percent of young people as compared with other age groups. These type of pyramids show decreasing birth rates.
And at last, Stationary also called as stable population pyramids are the ones which depicts almost equal proportion of the population in each of the all age groups. There is not a decrease or increase in population; it is stable.
