11.   Larger bubbles, which can reach the size of quarters, are more likely to signal pollutants.

12.   The plants and their roses should reach full size in about three years.

13.   They grow their fungus, a kind of mushroom, in underground chambers that can reach the size of a football.

14.   Through a series of molts, they ultimately reach edible size within three to six years.

15.   Those trees, however, have reached a size where the birds are beginning to abandon the area.

16.   Until they reach that size, lobsters are vulnerable to almost everything in the ocean.

17.   With the regular stockings, the trout meet the real world not long after they reach stocker size.

18.   You use your own money to get going and when you reach a certain size you go to the bank for a loan.

19.   Another edible pod variety, the sugar snap pea, preserves a crunchy, tasty pod even when the peas inside reach full size.

20.   Dr Judah Folkman, a US researcher, says that his discovery of two drugs that kill off tumours before they reach dangerous sizes is great news for mice.