A. glucagon is a hormone made by the pancreas; it helps raise blood glucose levels.
it is right option.
The domestication of plants and animals resulted in the development of villages and cities. The growth of early settled communities contributed to the development of political and religious institutions.
The term "domestication" refers to taming an animal, growing plants for sustenance, making someone lovable and devoted at home, as well as undertaking chores related to that profession or vocation. The domestication of plants and animals in areas near the Indus, Huang he, nile, and tigris-euphrates rivers resulted in the development of villages and cities which in turn contributed to the development of political and religious institutions.
The domestication of animals refers to the mutual relationship between animals and humans who influence their care and reproduction. It means to adapt (an animal or plant) over time from a wild or natural state, particularly through selective breeding to live in close association with and to the benefit of humans.
Charles Darwin identified a select few characteristics that distinguished domesticated creatures from their wild progenitors. The process of domesticating wild flora and animals for human use. For food, labor, clothing, medicine, and a variety of other uses, domestic animals are raised.
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The correct answer is D. Lower birth rates
Explanation:
The growth rate is determined by how fast the population of a country or a zone increases. This factor is higher in developing countries than in developed countries. One factor that contributes to this is the low birth rate in developed countries as people have fewer children in these countries, and therefore there are fewer births per year than in developing countries. This is influenced by the accessibility to contraceptive methods, higher education levels, and cultural values. Also, fewer births mean the population will grow slowly, and therefore the growth rate is lower.