Answer:
It could technically be either. The majority of coal deposits
appear to be biotic, though there are some geochemists who believe
that abiotic coal deposits might exist deep in the crust.
D a microscope because the scientist will have to eventually view the strains up close to see the progress of the antibiotic
Nation states are difficult to create because of colonies ((tell me if u need to know why because I can help with that))
It can be one of two things.
First, it can be due to global warming.
Second, it can be due to the rotation of the sun. When the sun rotates, it can change it latitude causing it to hit at different points onto different areas of the world.
