Question

2)
A survey done in 2016 has found that approximately sq.kms of land under forests in
Brazil had already degraded in that year.
a) 5830
b) 5831
C) 5832
d) 5834
​

Answer 1

সভ্যতার ইতিহাস পারসীয়দের দুইটি বড় অবদান বর্ণনা করো