Answer:
Ancient Egypt consisted of two very different geographical areas, the red land and the black land. The black land consisted of fertile farming land created by the inundation of the Nile River and the depositing of silt. The red land consisted of deserts that surrounded the country and provided protection from enemies.
Explanation:
Population growth is encouraged in developed countries, while developing countries are actually encouraging limiting population growth.
Developed countries face the problem of aging populations - more people on pensions, less people working and encouraging having more children is supposed to counter this. - the best answer is D.
The Great Wall of China........................
Cross sectional studies is the correct answer.
Cross-sectional research is used to examine participants' behaviors of different ages at one point in time. These studies are useful for a variety of reasons: data collection can be proceeded rapidly, the cost is a lot lower than a logitudinal research since there is no need to keep contact and follow-up with participants as time passes, and because of that practice effects are not a problem. On the other hand, the principal limitation of this research is that the results produce information regarding age-related change, instead of development per se.
