A backstory for your character is like background information for a character. When you write details about a character before you write your story, you are then able to use these details later on to help you improve your writing. You are able to incorporate their likes, dislikes, childhood, friends, family & more all into what you're writing. Its easier to come up with these earlier on than during your writing.
Do you have a picture of the lines 37-50?
Answer:
Evolution is regarded as the development or the act of uprising the status of any thing
in ur context evolution on natural selection means the development of the natural resources proper utilisation Nd making it to sustain
if natural evolution occurs then in return we will be helped as well as world would be a better place to live keeping all these pollutions aside