Question: David is a chemist, working for a large pharmaceutical company. He was contemplating on a project that would help perform chemical reactions more efficiently. For that, he conducted two chemical reaction tests, test A and test B. In test A he used enzymes, but in test B he didn't use any enzymes. He now needs to evaluate the pros and cons of each of the tests. Would test B produce more or less waste products than test A?
Answer: more

Question: Sandra liked all creatures but loved to study frogs. Her sister Julie studied more about fish and butterflies. They both loved nature. Which sister learned less about different calls used by different species of frogs?
Answer: Julie

Question: One year,due to extreme use of fossil fuels, an astronomical amount of carbon dioxide is released into the atmosphere due to burning fossil fuels. Many places become much hotter than usual. Another study is done and it is found that the Earths temperature has increased by 4 degrees on average. Given that even more carbon dioxide is added to the atmosphere, will the temperature increase or decrease?
Answer:
increase