Eastern Europe is geographically different from the boundaries of the western by the languages and the religion and it's ruled by the communist regimes. Most of eastern Europe has an eastern orthodox religion as compared to the western catholic religion.
<u>Historic distinctions of the two boundaries are due to the world was and the dominance of the soviet union.</u>
Based on the options provided, the most probable answer to this question is increase. The landmass that was controlled by Europe from 1800 to 1900s increased. Thank you for your question. Please don't hesitate to ask in Brainly your queries.
Answer: Even though there are smalll amounts of these gases, they can have a major effect on Earth. For example, increased amounts of carbon dioxide are having a major effect on global warming. :)