Answer:
global warming is the change of the climate in earth causing it to heat up whereas the greenhouse effect is a naturally occuring phenomena.
UV Light- a form of radiation which is not vusible in human light
infrared light - a electromagnetic radiation with
Because when the sun hits the earth in different angels and the climates get hotter in only some places.
The effects are altered political alliances, changed European borders, reduced the number of communist nations
.
<u>Explanation</u>:
- Altered political alliances; big portion of the countries that emerged as a product of the fall of the USSR immediately were oriented towards the west, mainly the EU and NATO, and since both of this organizations were eager to spread their influence and weaken Russia as much as possible, they gladly took this countries under their wing.
- changed European borders:
Multiple countries were formed, due to the fall of the USSR so a big change was witnessed in the border changes in Eastern Europe.
- Reduced the number of communist nations:
After the fall of the USSR, the countries that were once members of it changed their systems completely and turned towards market economies and democracy.
