Which type of ecosystem would you expect humans to depend on the most for the materials we need to build homes?

alpine
deciduous forest
river
tundra

How did german physicist werner heisenberg's uncertainty principle shake beliefs in newtonian physics?

The united states' entry into world war ii had which of these effects on domestic politics? pro-union legislation was repealed. support for banking reform intensified. concerns about the economy were largely abandoned. attempts to promote civil rights became far more successful.

Which country’s foreign policy is designed to threaten u.s. economic superiority? china russia iran japan