As seen in the video game death stranding.
Two extinction level events happened and wiped out half of all human life. Building and cars and homes were destroyed and replaced by growling grass or dirt. A new species of bug came about called a cryptobite and a bridge was formed between the world of living and dead and hence forth came the rise of beached things
Answer:
oxygen , carbon , hydrogen , nitrogen , phosphorus , sulfur are some examples
An acid because if its less than 5 its an acid
Answer:
I think this would help you Sun, water, food, animals, etc.