1.   Variations occur within a population, explicable as genetic mutations or the results of mixing of genetic material.

2.   What mix of selective forces and developmental constraints moulded the mandible, honed the teeth?

3.   The proposed relation for the heat of mixing of two non-polar components shows that H M is small for mixtures with similar solubility parameters and this indicates compatibility.

4.   There is no enthalpy change on mixing of the two components.

5.   Mixing of solutions contributed very little to the overall concentration, but once the procedure started, there was a gradual increase in formaldehyde concentration.

6.   Firstly, the qualifications and skill mix of the labour force, which might be undermined by outward migration.

7.   And an interesting mix of youth and experience.

8.   And the Dickensian mix of sailors and longshoremen, ships, docks, bars and crumbling warehouses lent itself to his realistic approach.

9.   And there is mixing of students even in the carvings on a tree.

10.   And where you find the most vibrant mix of people.