Type your answer in the box. The video reports a decline in the number of "packers" in California. What are packers, and what challenges does
their decline pose to firefighters who fight wildfires?

Packers ride mules and drive strings of pack mules. It’s difficult to drive trucks and other vehicles in the woods. Packers using mules can deliver supplies to firefighters who are working in the deep woods. Fewer people working as packers will make it more difficult for firefighters to get the supplies they need—such as gasoline, water, and food—while they are fighting fight wildfires.

Explanation:

this protocol provides a detailed procedure for co-immunoprecipitation (co-ip) to identify protein–protein interactions.