Answer:
Its about a girl playing a fun city wide game of hide and seek
Living things... Well, bacteria, Fungi, Animalia if you want me to continue or go into deeper detail I will :)
The young girl cleaned up the public park because she wanted to create atonement for littering around the area.
Grassy i think is the answer if you were asking for the Adjective in "grassy slope" it'd be grassy