Answer:
A. True
Explanation:
Oceanic crust, while older than plateaus of rocks found far away from volcanic activity, it is much thinner, denser, younger, and of different chemical composition than continental crust. Continental crust is typically 30-50 km thick, whilst oceanic crust is only 5-10 km thick. On the other hand, plateaus of rocks are formed from volcanic activities and are of more recent occurrence than oceanic crust.
Answer:
Countries trade with each other when, on their own, they do not have the resources, or capacity to satisfy their own needs and wants. By developing and exploiting their domestic scarce resources, countries can produce a surplus, and trade this for the resources they need.
Johannesburg is the South African city that is a regional hub of commerce and has South Africa's premier international airport. Johannesburg is not one of Africa's 3 capital cities, but it is the seat of the Constitutional Court, which has a final word on South Africa's constitution.
The word that means to protect from harm or being killed is defend.
