Which of the following countries was not part of the big four?

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.

What happens to rock when acid reacts with it?

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d