Thomas and Alexander are freshman students in an introductory chemistry laboratory course at their local college. In this week's experiment, both Thomas and Alexander will be starting their experiments with liquid water. They both follow different experimental protocols, and at the end of the experiment Thomas discovers ice in his reaction flask, while Alexander discovers steam in his reaction flask. Given the paragraph above, please answer correctly the following question: Which person added energy over the course of their reaction?
Ans: Alexander

After working out in the yard for the day doing various chores, Karen comes back inside to prepare for a shower. While waiting for the shower to heat up, she notices she got one cut on each of her arms. The cut on her left arm is hardly even noticeable, but the one on her right arm is red and easy to see. Karen gets some cream from her cabinet to use on her cuts after she gets done showering. Given the paragraph above, please answer correctly the following question: Does the cut on Karen's left arm have more or less white blood cells than the cut on her right arm?
Ans: less

Two geologists studied the Earth's crust. Benny studied mantle melting, while Vinny studied more about crust displacement. Given the paragraph above, please answer correctly the following question: Which scientist didn't observe that lower pressures (which lowers the melting point) trigger mantle melting?
Ans: Vinny

Pam and Mary were two gardener friends. They both had some aphid infestations, but Mary had more aphids on her farm, so she used every method and insecticide available to get rid of them, with limited success. Given the paragraph above, please answer correctly the following question: Which farmer dealt with fewer aphids resistant to carbamates?
Ans: Pam