C. identical to, different from
An absorption line will appear in a spectrum if an absorbing material is placed between a source and the observer.
Answer:
your right!
Explanation:
i had something like this and i got a 100% on my exam the evolution issue was sometime in the 1990's.
Answer:
The complex eukaryotic cell ushered in a whole new era for life on Earth, because these cells evolved into multicellular organisms. Evidence supports the idea that eukaryotic cells are actually the descendents of separate prokaryotic cells that joined together in a symbiotic union.