Answer:
fossils I think- correct me if I'm wrong dkfnjdf
Explanation:
Technically, they can but you don't have to be related because you can have things in common with another person with are personality traits , and if they have different skin colors it doesn't matter , and you can still have many traits in common , because my sister is darker than me a lot but we still share same traits.
Answer:
During nitrogen fixation specialised bacteria living in the earth's atmosphere convert nitrogen taken from the geosphere
