During what geologic time period did more than 80% of marine species become extinct?

~fourth largest plate ~includes parts of the indian and atlantic oceans ~subducts below the eurasian plate on the west side ~ the arabian and somali plates form boundaries with it what is the name of the tectonic plate described above? a) african plate b) eurasian plate c) north american plate d) indo- australian plate

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

What is the similarities and differences between bacteria and eukaryote?