input question: The researches studied the atmosphere in Antarctica, and close to Greenland. They found out there's an ozone hole over Antarctica. Which landmass had its atmosphere destroyed by coolants????
output answer: Antarctica

input question: Two geologists studied the Earth's crust. Benny studied mantle melting, while Vinny studied more about crust displacement. Which scientist didn't observe that rising temperature triggers mantle melting????
output answer: Vinny

input question: Two campers were in the woods over the week-end. They both had canned soup with them. Pete heated the can without venting it and it exploded, while Dan opened his can and heated it over the fire with no additional problems. Which camper learned more about the increase in pressure inside the can????
output answer: Pete

input question: The Danube and Volga rivers both form large deltas, but the Danube river delta is larger and grows faster every year. Which river's speed decreases more rapidly when it reaches the sea????
output answer:
Danube