11.   It is not a simple competition for a fixed amount of food determined by the physical environment.

12.   The law applies to any fixed amount of gas.

13.   The left-hand graph shows that at low pressure the volume of a fixed amount of gas is high.

14.   Four ml were distributed over a fixed amount of filter paper in a faecal collection container.

15.   In a default action a summons is issued either for a fixed amount or for an amount not fixed.

16.   Among the thorniest political issues facing Republicans is how Congress would divide a fixed amount of federal Medicaid money among the states.

17.   An option gives the buyer a right, but not an obligation, to purchase a fixed amount of one currency for another by an agreed-upon date.

18.   And employers would be required to contribute a fixed amount toward coverage, regardless of the plan a worker chooses.

19.   Based on assessments, towns must budget fixed amounts for schools, road paving, salting and clearing in the winter, and administrative costs.

20.   Beneficiaries who signed up for medical savings accounts would receive a fixed amount from the federal government based on its payment to local HMOs.