A sample is termed REPRESENTATIVE SAMPLE if it has similar characteristics to the population being studied.
The representativeness of a sample is the extent to which its characteristics accurately reflects the characteristics of the population being studied.
High water floods &- volcanic eruptions
I believe the answer to your question is the p<span>arietal lobes</span>
Answer:area of grass and trees and other vegetation
Explanation:set apart for recreational use or aesthetic purposes in urban environments