1.   By the age of retirement that figure will increase to one in every five.

2.   It causes the core body temperature to increase to a peak and descend to a trough once every twenty-four hours.

3.   The winds had increased to gale force.

4.   With an electric mixer, gradually increase to high speed to beat butter until creamy.

5.   Finally when molecular motion increases to a sufficiently high level, all the chains behave like weak springs the whole time.

6.   This is represented by point D.

7.   To condense it without reducing its temperature, its pressure would have to be increased to point D on the line.

8.   As we heat up this mixture, its temperature increases to point C.

9.   It then boils.