What is one explanation for the dramatic rise in the typical ages of entering marriage and parenthood today in developing countries?

Private Acceptance

Explanation:

Private acceptance is an attitudinal alteration usually not expressed in deeds, action and words in public as it explains and espouses informational social consent, amounting to influence of the cognition to accept the influence of a group of norm in changing ones behavior. It differs from public compliance , which can be seen as superficial and can be seen as transient or transitionary change in behavior as a result of coercion and social influence.

in about winter like late november to january

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.