The countries currently on stage 4 of demographic transition model are.. Argentina, Australia, Canada, China, Brazil, Singapore, South Korea, U.S. , and most of Europe.
To deal with the challenges posed by the midlatitude temperate climate, Europeans have developed a sophisticated system of Drainage system for their houses and communities.
<h3>What is
Drainage system?</h3>
Drainage system serves as the system that allows easy flow of water so as to avoid blockage of water which can lead to serious erosion.
However, Europeans have developed a sophisticated system of Drainage system so as to overcome challenges posed by the midlatitude temperate climate.
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Around 1800 (plus or minus about 5 years) is when it was estimated that the world's population had reached 1 billion.
Answer: C
Explanation: Really hope I can help!
The levels of greenhouse gases in the atmosphere have been increasing due to the widespread burning of fossil fuels by the growing human populations.