The amount of in the atmospher is , and may be leading to warning. in many countries, are being cut down and , which adds to the air . it also removes that could have used up carbon dioxide to produce .

Explain the events that led to the iranian revolution and the following iranian hostage crisis. how was the united states involved with iran? describe the arab-israeli conflicts of the 20th century. be sure to include specific military interventions, peace agreements, and the ultimate reason for conflict.

Rank the following from most to least devasting: ordovician,permaian,cretaceous, pleistocene

The process of learning acceptable social behavior and values is called