Question

ghas ke maidan kitne varsh pahale astitva mein aaye the​

Answer 1

from Beginning of Holoscene Era

Explanation:

Around 12000 years ago, a climate change occured.

Ice Age came to an End and Homoscene Era started.

Holoscene Era made the climate warm resulting in melting of ice

Grass Gardens were present onto Earth had water

but Grass gardens grew at much faster pace in holoscene era due to more water availability and warm climate.