They have increased the levels of the greenhouse gases.(Apex)
They have become much larger, cleaner, healthier and easier to move around in.
Some examples of countries with changed borders in the past 200 years include Germany, Italy, Poland, and the Balkan nations. These changes have been largely influenced by factors such as wars, treaties, and the collapse of empires.
About the same as it is now. The Lithosphere hasn't changed much in the past 200 years around the Colorado River.
what changed over 200 years?if your talking about the world... then YES:D :3 XD(those are faces) >,
17 animals have been etinct in the past 200 years
in the last 200 years fashion has changed in many wayse.g. in the 1960's the mini skirt was introduced
the way they make itthe recipe the names the way they process theingredientsor items or food in a hamburger oranotherfood
the crops
You can safely assume that the craft of knitting hasn't changed much in the past 200 years -- the basics are standard. The tools and supplies may have changed, but the craft remains much the same.
200 years ago tourism was very different in St. Ives to tourism today. Firstly 200 years ago not many people had enough money to go on holiday and St. Ives was a small fishing harbour, tourism had bearly been heard of there, only the rich first class people could afford holidays and many would go to exotic places outside of Britain.
we can see dna new presidents new cars new technology new people to walk this world