Or a whole class appears on a transcript and then disappears.
It is a very popular drink although the middle classes by and large appear to prefer coffee most of the time.
For information on those classes, see the article regarding the game in which the class appeared.
Hence earlier numbered classes could well have appeared later in time.
They add that the middle class appears to be shrinking because its members are moving to higher economic echelons.
New social classes appear who run or are run by the machine.
Small classes, insisted upon by the teachers' union, appear to be associated with student achievement, especially in science.
This class, to which Shakespeare himself belonged, did not appear too much in literature yet.
The whole class appears to have initially been assigned to the service district in Oregon.
By 1865, the first class of six students appeared for matriculation examination.