For this assignment, you will need to conduct research on a scientific model that fits into either of these categories and do a short presentation on it. explore the interactive to learn more about a systematic approach to your research.

How has the immigration of the 1990s affected the social and economic life of the united states?

Read the paragraph and answer the question that follows: the town of belmond, iowa, needs to add weather sirens. the loud and steady wail would warn citizens of approaching danger. if past history is an indication, the sirens will save hundreds of lives. with a prediction of a deadly storm season, the alert which sentence should be revised to eliminate redundancy? the town of belmond, iowa, needs to add weather sirens. the loud and steady wail would warn citizens of approaching danger. if past history is an indication, the sirens will save hundreds of lives. with a prediction of a deadly storm season, the alert system is needed immediately.

Describe some effects of the rise of communism in the soviet union?