Ice cores from Antarctica allow scientists to measure the amounts of atmospheric carbon dioxide from long ago. These samples would BEST provide evidence for A) climate change. B) continental drift. C) the big bang theory. D) magnetic field reversal.

How can you tell the difference between rough er from smooth er?

What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin

Which of the following describes how binary fission and mitosis are similar? a)they are both used for growth or repair b)they both break down membrane-bound nuclei c)both invoke the replication of a single stand of dna d)both replicate genetic material