it hasn't, people are still very dirty
what changed over 200 years?if your talking about the world... then YES:D :3 XD(those are faces) >,
in the last 200 years fashion has changed in many wayse.g. in the 1960's the mini skirt was introduced
the crops
The power of the bureaucracy has changed in the last 200 years in that it has increased and become more powerful. Some of these changes have come about through amendments to the Constitution.
more teenage births
Obviously it has... alot of things change in a matter of years.
Newborn diapers should be changed every 2-3 hours to ensure their comfort and hygiene.
Newborns should have their diapers changed every 2-3 hours to ensure their comfort and hygiene.
They have increased the levels of the greenhouse gases.(Apex)
About the same as it is now. The Lithosphere hasn't changed much in the past 200 years around the Colorado River.
During the recent years US changed because of economy and a lot of other changes.
They have become much larger, cleaner, healthier and easier to move around in.