Answer:
Declining crude birth rates.
Explanation:
Birth rate may be defined as the number of births takes place per year per thousand of the population. The birth rate and death rate may change the population dynamics.
The developing countries shows the expanding population graph as they have more number of people of the reproductive age. The advancement in the medical field results in the decline birth rate that causes the decline of the nature resources.
Thus, the answer is declining crude birth rates.
Http://www.biocab.org/Carbon_Dioxide_CO2.html
Answer: Identity moratorium
Explanation:
Identity moratorium is the third identity status in Marcias theory. This identity represents a high exploration of different things or skill but low commitment to all of them. This is stage of identity crisis in youth. They have tried out different things but are not yet certain of a career type.