The greenhouse effect is related to the phenomenon of an increase in average surface temperature known as GLOBAL WARMING; <span>a gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants.</span>
Explanation:
All of the wonders on the list are UNESCO World Heritage sites and were chosen by an online poll of tens of millions of votes in 2007. If you couldn't name all seven (but hopefully now you can), then naming the Ancient Seven Wonders of The World could prove even more difficult
Answer: Sacagawea, Im not 100% sure but i think that is the answer.
Explanation:
A code for entering Constantinople
