Problem: 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?

A: Antarctica

Problem: Matt and his brother Jesse are twins. They look almost identical. If it weren't for the fact that Jesse has a slightly darker skin complexion you wouldn't be able to tell them apart. In fact one year Matt was out in the sun for a long time and picked up a bit of a tan so they actually did look exactly alike. Which was responsible for Matt's complexion being as dark as Jesse's, UV light or heredity?

A: UV light

Problem: The doctors used used the newly discovered allergy medicine on two groups of people. As a result, group Alpha experienced mild allergy symptoms, while group Beta continued experiencing severe allergy symptoms and remained hospitalized. Which group experienced itchy eyes?

A: group Alpha

Problem: John wanted to revisit Aristotle's theory of tetrapods. To that end, he chose two tetrapods, tetA and tetB. An adult tetA was heavier than an adult tetB. Moreover, a tetA had longer gestation period than tetB. He needed to figure out how their characteristics fit Aristotle's theory. Would tetB have larger or smaller brood size than tetA?

A:
larger