Question 1
There has been some political discussion in the past few years about whether we are experiencing "Global Climate Change." How would you evaluate this debate?
Question 2
Water is unique because ________.
◦ its molecules are in motion even when it is solid
◦ it contracts when it becomes a gas
◦ it is light enough to escape Earth's gravity but it has not done so
◦ it exists in three different states at normal conditions in the earth's atmosphere
◦ it forms from a wide range of chemical processes