Technician a says that using 100% coolant is better for freeze protection in an engine than a mixture with water. technician b says a cooling system should not have a mixture of more than 85% antifreeze to 15% water. who is correct?

The north and south regions had very diferent economies in the 1800s.

1. which of the following statements are true about routers and routing on the internet. choose two answers. a. protocols ensure that a single path between two computers is established before sending packets over it. b. routers are hierarchical and the "root" router is responsible for communicating to sub-routers the best paths for them to route internet traffic. c. a packet traveling between two computers on the internet may be rerouted many times along the way or even lost or "dropped". d. routers act independently and route packets as they see fit.

Which steps will open the system so that you can enter a question and do a search for