Imagine that you are a scientist studying global warming. You’ve been asked to speculatewhether we are in the midst of a period
of global warming. How could you tell whetherwe are in a period of global warming? (Hint: What did you learn about carbon dioxidelevels during the Ice Age?) What effect do you think any environmental change willhave on animals living today? Do you think we should try to stop global warming? Ifso, what should we do?
<span>Since 1936,
incoming presidents are being inaugurated every January 20 in front of many
people. If in case January 20 falls on a Sunday, the presidents will then be
inaugurated in private. The party will then be held the next day (Monday). </span>
