Answer:
B. The presence of an earthquake belt.
Explanation:
A rift valley only happens when the plates are diverging. A trench represents plates converging. And the presence of active volcanoes is only on converging and some diverging boundaries (hence there is no volcanoes in California). An earthquake is present in all plate boundaries.
The factor that helped the United States in making the inland transportation and commerce to be possible is in letter C. The intricate river system. I hope you are satisfied with my answer and feel free to ask for more if you have clarifications and questions.
Its B. Cooling molten lava or magma
D support the passage of import duties on manufactured goods
If she earns $10.65 and she worked 38 hours last week, I believe you would just multiply the two to get $404.70.