Problem: Two teams of researchers studied the environment in Antarctica. Team Black studied air pollution and the ozone layer, Team Red studied the water. Which team didn't observe that aerosol sprays are being released into the atmosphere?

A: Red

Problem: Rob wanted to learn more about collision theory. For that, he conducted two tests, test A and test B. In test A he used lower concentration of reactants. In test B he used higher concentration of reactants. Now, he needs to know about the science behind these tests. Which test would decrease the frequency of collisions among molecules, test A or test B?

A: test A

Problem: Belgium and France are two countries participating at a human health meeting. Belgium has a lower biodiversity, while France's biodiversity is much higher. Which country experienced more disease transmission?

A: Belgium

Problem: Two scientists went to Antarctica for research. Tim was assigned to East Antarctica, while John was assigned to West Antarctica. They spent 6 months there. Which scientist experienced more precipitation?

A:
Tim