El Paleozoico se divide en seis períodos: Cámbrico (la vida animal florece en los mares), Ordovícico (dominan los invertebrados), Silúrico (primer animal de respiración aérea), Devónico (aparecen peces con escamas duras y los anfibios), Carbonífero (aparecen grandes bosques de helechos, primeros reptiles etc,
They were fighting over food sources C
One is right and one is wrong
The second choice mentioned above exposed the element that caused the British to surrender at Yorktown George. The troops of Washington outnumbered the British soldiers by two to one, referring to August 27-29, 1776. The army was defeated completely, and that is the main factor.