The answer is a. Number 2 is colombia
Answer:
i think like this am not sure tho
Explanation:
Poor air and water quality, insufficient water availability, waste-disposal problems, and high energy consumption are exacerbated by the increasing population density and demands of urban environments. Strong city planning will be essential in managing these and other difficulties as the world's urban areas swell.
What features are you referring to
Answer:
i would change my personal character
It has gone through four half-lives of carbon-14 (5730 years<span> x 4 = </span>22920 years<span>)
It is 22920 years old.
Hope this helps!</span>
