Canada produced its electricity by using fossil fuels and nuclear fission. New Zealand used only alternative, renewable sources to produce their electricity. Which country contributed more to a global rise in Earth's temperature?
Ans: Canada

In a greenhouse, a botanist has just finished planting two of the same kind of plant. Plant A was placed in a pot of standard soil, and plant B was planted in some serpentine soil. The botanist is planning on taking care of both plants equally so he can see which type of soil is better for growing a plant. Which plant's soil has more nutrients in it?
Ans: Plant A

Dan studied genetic engineering. He was applying his knowledge of genetic engineering to develop better crops. Recently, he had successfully developed a crop, crop A, that was herbicide tolerant. To determine the versatility of the crop he compared it with another crop that was not tolerant of herbicides, crop B. The results of his research would allow his company to market the new crop. Would crop B need less or more number of chemicals than crop A?
Ans: more

Tim and Allen were two pen pals, Tim lived in Canada, while Allen lived in Australia. they were chatting about the weather and the fact that their two countries are situated in two different hemispheres. Which person experiences colder weather in December, Tim or Allen?
Ans: Tim