What significant development occurred during the neolithic era? what is the significance of this development?

What is the tallest mountain range in south america? a guiana highlands b the patagonia mountians c the andes mountians d brazilian mountains

Plz ive been stuck on this question forever. in 1753 george washington was sent on a mission to a. build a fort at the point where the allegheny and monongahela rivers form the ohio river. b. attack the french at fort duquesne. c. attack the french at fort neccessity. d. deliver a message to the french demanding that they leave the ohio river.

Use the selection to answer the question. which best describes the climax of the story? a.) the veterinarian tells tommy that max might not recover b.) the veterinarian says max will recover c.) tommy discovers max is sick d.) max is back to his old self