61.   As parcels of hot air ascend, they will cool as their volumes expand in lower barometric pressures aloft.

62.   As their main businesses are deregulated, the two companies are seeking to expand in others to gain customers and offer more services to the customers they have.

63.   As they expanded eastward in the second century B.C., the Romans would have encountered a political situation much less conducive to the creation of unified Mediterranean empire.

64.   As we watch Rowlands gradually stop tethering herself to responsibilities toward others, we can see the boundaries of her world expand in her face and eyes.

65.   Aside from Western Germany, the company will expand in the Czech Republic and Poland.

66.   Askins said there was also evidence that this was true in the Northeast, where forests have greatly expanded in this century.

67.   As the market leader in retail banking, Chase must focus on maintaining its share even as other banks seek to expand in the New York area.

68.   At the same time, some companies are trying to expand in high-growth markets, to gain more customers and sell more loans.

69.   At the same time, the bank is expanding in other, more profitable areas.

70.   At the same time, other companies are rushing to expand investments in Mexican factories that will increase their exports to the north.