Answer:
C. getting smaller
Explanation:
More households are having 0 children.
One way in which the study of populations ( human populations - I assume) affects us is that they can help predict the population size in the future and prepare us for it. For example, if we see that the population is decreasing, a country might want to consider supporting child-bearing or immigration to avoid the problem of too many people receiving pensions but not paying taxes.
The United Arabic Republic was formed by a union between <span>Iran and Iraq. The correct option among all the options that are given in the question is the fourth option or the last option or option "D". I hope that this is the answer that you were looking for and the answer has come to your desired help.</span>
The use of mechanized farming techniques is well suited to geographic areas that c. have large expanses of flat land. Regions such as the Canadian Prairies is a large expanse of flat land and as such easily supports mechanization in planting crops such as wheat. Mechanization in agriculture would be hampered in areas that experience frequent flooding as equipment could get stuck in mud or suffer other water damage.