Please help with these four questions.

Rank the following from most to least devasting: ordovician,permaian,cretaceous, pleistocene

"it is true that we are called a democracy, for the administration is in the hands of the many and not the few." pericles athenian statesman, 5th century b.c.e. what kind of democracy is pericles referring to? - pericles athenian statesman, 5th century b.c.e. a.representative democracy b.parliamentary democracy c.direct democracy d.presidential democracy

How does a long war with a high number of casualties generally affect civilians’ and soldiers’ opinions of their government?