Answer:
Air-sea exchange is a physio-chemical process and is important for the cycling of gases such as carbon dioxide, methane, nitrous oxide, dimethylsulfide and ammonia
<span>indicate a common ancestor exists between two organisms
</span>
NOT:
result from evolution in a similar environment
are features which organisms still have but no longer use
<span>develop when a mutation occurs in the DNA of an organism</span>
You would be witnessing Meiosis because cells that divide with chromosomes are sex cells and meiosis occurs in sex cells
Because the common cold is cause by a ‘virus’.......
The answer is VIRUS
