Complex Sentence
The next changes came about with the introduction of high-wheeled bicycles in the late Victorian period. These were commonly
known as penny farthings, since like the coins one wheel was far larger than the other. Because the rider was sat about 10 feet
(3m) up in the air, the obvious flaw was that any sudden stop would see him flung face first over the handlebars.
Although bikes have not changed design for many years now, today's versions are without doubt faster, lighter and more reliable
than those of the past. Indeed, it is obvious to all that cycling is presently going through a golden age. The conjunction of new
materials and advanced manufacturing methods should bring about additional technological advances; furthermore, as the price
of bikes goes down, the chance to own and enjoy a 'conveyance' will be available to more people than ever before.
Which sentence is complex sentences?