All of the following were technological innovations that enabled exploration except what? A. Compass
B. Astrolabe
C. Gunpowder
D. Quadrant

australian plates collided into eurasian plates, and the himalayas formed. the andes mountain range the himalayas and the islands of japan form differently. the andes mountain range formed at the convergent boundary of an oceanic plate and continental plate.

during the 20th century, the role of the vice president has evolved into more of an executive branch position. now, the vice president is usually seen as an integral part of a president's administration and presides over the senate only on ceremonial occasions or when a tie-breaking vote may be needed.

sitting in that one chair where he could get shot at was his worst decision.