A Stratum is a layer of rock in the ground
It should be D
They all produce milk, have fur, and are warm blooded. Platypuses are crazy though and lay eggs even though they’re technically mammals too.
The creation of approximately ten million refugees from 1947-48 was a result of World War II.
World War II brought destruction of lot of countries, millions of people lost their homes that were flattened with the ground, the economies were destroyed and on the verge of bankruptcy, so millions of people left their countries in search for better life (or rather just normal life).
