Which waves
require a medium for transmission

Which statement best explains distribution of natural resources? people tend to settle in locations that have the resources they need for survival. some countries have resources that others lack, so trade between countries becomes vital. fossil fuels come from areas that have mountains and other areas that manufacture synthetic gas. areas with natural resources provide a higher standard of living and better quality of life.

How did the korean war impact the elections of 1952?

What structure on the south african coast has a range of 63 km and releases flashes every 30 seconds?