The answer for this question is a. DNA
Often microevolution can lead to macroevolution as changes become more pronounced and two distinct species emerge. Both are caused by mutation, genetic drift, gene flow or natural selection. ... Therefore, it's undergoing genetic migration.
Sometimes, I think it's just how it reacts to the air but if it was crazy bubbles I'd be skeptical I'm a pretty paranoid person though...
Answer:
bad albedo ? sorry if not right