Answer:
The direction of an electric current is by convention the direction in which a positive charge would move. Thus, the current in the external circuit is directed away from the positive terminal and toward the negative terminal of the battery. Electrons would actually move through the wires in the opposite direction.When current flows in a circuit it exhibits various effects. The main effects are heating, chemical and magnetic effects.
A. The Rocky Mountain province I hope his helps even though I might be wrong
High salinity (lots of salt) and cooler temperatures :) the molecules in cold water are more densely packed
A. dormant period during winter
There are actually a lot of types of mineral resources from the Cenozoic era. But we have to know first what is in it in the Cenozoic era. The Cenozoic era is the closest to human history of the three most significant divisions of the living animals in the history.