Problem: Two farms were selling on Seattle markets. Berry farm, which used organic methods, no fertilizers and pesticides, and Rose farm, which used conventional agricultural methods, including fertilizers and pesticides. Which farm contributes more to chemicals infiltrating into groundwater?

A: Rose

Problem: Ian traveled to the Southern Hemishpere last May and stayed there for 7 months. His mom Ash called him every day form the US, an they would chat about the weather the seasonal differences between the two hemispheres. Who experienced less heat in July, Ian or Ash?

A: Ian

Problem: John was tuning his musical instruments with two tuning forks, fork A and fork B. He produced higher frequency with fork A and lower frequency with fork B. Interestingly, both frequencies had the same amplitude. Which fork John needed to move more quickly, fork A or fork B?

A: fork A

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. Would test A increase or decrease the frequency of collisions among molecules than test B?

A:
decrease