Problem: Park city used fossil fuels to produce their electricity. They were less conscious about the environment than their neighbors from Lake city. People from Lake city used nuclear fission as an energy source. Which city burned more coal for their energy needs?

A: Park

Problem: India decided to introduce several exotic species into their environment, while Singapore was very protective of its native species. Which country introduced fewer non-native species to the environment?

A: Singapore

Problem: Stargazers across the world wait for 2020 when newly discovered very bright Neil's comet would start to pass through the inner solar system On December 21, 2020. After December 27, 2020 the comet would leave the inner solar system. Like many other enthusiasts Ken bought a telescope for the event. His friend Mike is interested in that event too, but is too busy to buy a telescope. Would Mike be able to or not be able to see the comet on December 27, 2020?

A: not be able to

Problem: two groups of students studied animal reproduction. Group Alpha studied sexual reproduction, while group Beta studies asexual reproduction. Which group of students learned more about increased genetic variation within a species?

A:
Alpha