Explain how it behaves as a system, and then give one example of how the system affects human life. Ecosystems (biosphere):

How does it behave as a system?

How does the system affect human life?

People make choices about how to use resources.

Which statement about portugal is not true? a. it granted independence to its last colony in 1975 b. it has avoided conflict with spain c. it was a leader in european world exploration in the 1400s d. its economy is changing from agricultural to industrial b. it has avoided conflict with spain

Over half of the african-american population in the united states live in