Fact 1: Cold fronts cause thunderstorms as they pass by. Fact 2: After the cold front passes, be prepared for clear, cold days ahead. Given the two facts above, be prepared for clear, cold days after what?
Select from the following.
1). global warming;
2). spring;
3). droughts;
4). heat waves;
5). thunderstorms;
6). Dehydration;
7). Greenhouse gases;
8). Animal survival;
5).