Two neighboring planets identical to Earth in size and atmospheric conditions behaved differently towards their environments. Planet A emitted a lot of air pollution, destroying its ozone layer, while Planet B respected the environment and used ecological products. Which planet had lower levels of UV reaching it?
Ans: Planet B

Two friends were into natural sciences. Tom was more into Geology, while Rick studied Ecology. Which student read less about the flow of energy?
Ans: Tom

Bob and Bill studied at the same university. While Bob got into studying nutrition, Bill ended up studying about cancer and how to prevent it. Which student learned less about preventing some types of cancer?
Ans: Bob

Rob is an environmental scientist. He is looking at two samples of soil, sample A and sample B. Sample A is from Amazon Rain-forest, where they get one of the highest rainfall in the world. Sample B is from the Atacama Desert, where they get one of the lowest rainfall in the world. He needs to determine the properties of these samples. In which sample less rocks would have chemical reactions, sample A or sample B?
Ans: sample B