Answer:
The United States imports and exports products from / to the BRICS countries, so that changes in trade flows between the BRICS countries also have economic effects on the United States.
This photo has facts about that info on it
I believe the answer is number 2: Natural Harbors. The Industrial Revolution found success in Britain/England due to it's harbors and ports. I'm not sure how the weather and geographical conditions would have a major impact on the Industrial Revolution.
Answer: B. Buoyancy
Explanation: The asthenosphere exerts a buoyant force that pushes up against the lithosphere, and this force resists gravity. The theory of isostasy refers to an equilibrium in buoyancy between the lithosphere and the asthenosphere.