Answer:
1st blank is tropical 2nd blank is polar
The answer is definitely A. Houses. Basing on the Demographic Transition Model (DTM), countries categorized under stage 4 are said to have a stabilized population growth in other words birth and death rates are merely low. But still gradually on increasing number. As total population increases, housing now becomes insufficient. Examples of Stage 4 countries: Brazil, China, Argentina, Singapore, U.S.
It's a bar graph. The scientific question would be how different male and female temperatures are from each other. The significance is debatable. Not very significant. That's all I can do.. sorry
