Beauty is in the eye of the beholder means beauty isn't one specific thing and you cannot say something is 100% beautiful because when someone might find beautiful, another person may hate.
So yes, a dark cave can be beautiful to someone as a river might be to another.
Answer: D. The Demographic transition
Explanation: Demographic transition explains the association between population growth and economic development. It explains the high infant mortality and high birth rate associated with non-industrial, low technology and many developing countries and the low infant mortality, low birth rate commonly found in industrial, high technology and high level of education found in developed countries.
It is an historical overview which shows high birth rate in low industrial and developing countries and low birth rate in industrial and developed countries.
The answer is adolescence
I hope that helped
