B/biosphere oh i can’t answer without 20 letters
<span>I think you meant chromosome aberration. In that case, it is when a chromosome is “abnormal,” such as having a “wrong” structure or missing a chromosome. There are four types of mutations: deletion, duplication, inversion, and translocation. The fifth is deficiency, when a chromosome is lost during the development stage of a fetus. I’m not an expert on this, but I hope it helped</span>
Life would not exist. The ozone layer is keeping all the gasses from escaping into space. So, without the ozone layer, there would be no oxygen for animals or carbon dioxide for plants. The ozone layer also reflects space radiation and harmful UV rays back into space, preventing them getting into the Earth's atmosphere.
