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i cannot participate in this BS anymore, this science is a religion they are feeding the youth, creating unbelievers by the end of their education
i find this question so offensive 2.5 billion years my butt
They are so lost in this junk, and they are feeding it down the throats of the young kids in our generation
What junk? It's a biology question for school...
I'm so confused lol
@dan815 what is wrong with you? ITs a science question quit spamming the post.
@vera_ewing is there an article that goes with this?
What do you think the answer is? c:
These are the practice questions for Unit 2: Evolution
I think it's C but I'm not sure
I think thats correct because... "The first eukaryotic cells (organisms with one or more complex cells, each of which contains a nucleus and is surrounded by a membrane that holds the cell’s genetic material) evolved sometime between 2.5 and 1.7 billion years ago, perhaps coincident with the rise in atmospheric oxygen to a level able to support this more complex life. The nucleus in these cells was able to hold and protect complex molecules such as RNA and DNA." http://www.physicsoftheuniverse.com/topics_life_early.html
Ah, I see. Thanks Pooja!