Answer:
B
Explanation:I took the test if u need help follow me
<span>The concentration of many people into the small area, for example, A city lowers the overall footprint of the population in the region.
Any pollution which results from people in a city can be isolated and treated more easily even than when people are being dispersed widely.
Many cities outlined suburbs to have a lower concentration of people because it can complicate public transport and provision of services. </span>
Not at all. They exist in small amounts.
Hope this helps !
Photon
This would be D. The ribosomes in archaebacteria and eubacteria are different