the broken rocks that sit upon the mantle are the lithosphere
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.
Explanation:
Food gives us energy and builds our body. If we do not eat regularly, we will become weak.
C. The brain sends messages to the spinal cord
