Answer: Population pyramid the pyramid shaped structured graph that helps in determining the relation between the age and gender of various age groups. It is a sort of record that is kept to know about the birth rate , death rate, different age group etc of the people . It usually has two sides males side on the left and women on the right side and is separated by a vertical line.
1) Divergent boundaries because they cause new crust to form. 2) MORS are underwater mountain ranges that rise to connect with the continents and form new crust. The lava gets pushed under the oceanic crust.
