Problem: Robbie is heating up two pots of water in his kitchen because he is preparing to make some shrimp. The first pot of water, pot A, has been heating for a long time. The second pot of water, pot B, has only been heating for a short period of time. Which pot will begin to boil its water sooner?

A: pot A

Problem: Justin and Alejandro are conducting a chemical experiment involving sodium hydroxide. A key part of the reaction is ensuring that the sodium hydroxide is dissolved in water before adding the other materials. Justin adds the sodium hydroxide to reaction A, and begins stirring the mixture with a spoon. Alejandro also adds sodium hydroxide to his reaction, reaction B, but doesn't stir it because he is lazy. Whose sodium hydroxide, Justin's or Alejandro's, will dissolve slower?

A: Alejandro's

Problem: Canada produced its electricity by using fossil fuels and nuclear fission. New Zealand used only alternative, renewable sources to produce their electricity. Which country used more non-renewable resources?

A: Canada

Problem: Two neighboring towns from Texas produced their food in different ways. Silver town was sustainable and didn't use any fertilizers or pesticides, while Gold town did. Which town caused more fertilizer to dissolve in the soil?

A:
Gold