Fact 1: Climate is the average weather in an area over a long period of time.

Fact 2: Along with simulating the climate, it is crucial to observe the climate.

Given the two facts above, answer the question "To learn more about the average weather, it is essential to:" with the following options: 
- staying warm
 - observe it
 - argue about it
 - ignore it
 - survive
 - temperature
 - A computer
 - write about it


 

  observe it       