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1 - Commercial jets now account for about 70 percent of the company's revenue; most of the remainder came from its military and space operations.

2 - Agricultural products account for only about 5 percent of trade between the United States and Europe.

3 - Astronomers have long believed that frozen gases and water account for up to 80 percent of comet's mass.

4 - Scientists have identified a gene that they say could help account for our distinctive cognitive abilities.

5 - Mineral deposits in Papua New Guinea, including oil, copper, and gold, account for 72% of export earnings.