How does water particles in waves move

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

~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

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?