Answer:
Africa is expected to continually increase its population
Explanation:
Channel Tunnel, CN Tower, Empire State Building, Golden Gate Bridge, Itaipu Dam, North Sea Protection Works (Netherlands), Panama Canal. Hope this helps!
Answer:
it is said that the Ice Ages began 2.4 million years ago and ended approximately 11,500 years ago.
Explanation:
During this time Carbon-Dioxide (a poisonous and warming gas) levels rose dramatically by about 180 ppm to 280 ppm.
This caused the major retreat of glaciers that ran across continents...
There were other gases but they were in VERY small amounts...
(APART FROM OXYGEN)
