Answer:
B.
Explanation:
Once we were one big continent, so similarities on coasts of two different continents is evidence of them being once together
<span>The mineral crystals in obsidian are too small to see without a microscope. This is because the rock cools so rapidly from magma that crystals barely have time to form. Obsidian is a normally happening volcanic glass framed as an extrusive molten shake. It is delivered when felsic magma expelled from a well of lava cools quickly with negligible precious stone development.</span>
Molecule, organelle, cell, tissue, organ, organ system, organism, community, population, ecosystem, biosphere
It might knock the old theory away completely because all of the new knowledge doesn't support the theory or it could change it because some of the new information supports the old stuff.
The answer to the question is PCR
