Why is the high latitude interior of the continent dominated by Dfc and Dfd (subarctic) climates?

The following questions are based on the diagram of the Köppen climate distribution on a hypothetical continent (Figure 23-2). It may also be helpful to compare the hypothetical continent with the map of actual climate distribution color Map T-29 in the back of the Lab Manual and Figure 23-3 showing the influence of the seasonal shifts of the ITCZ and subtropical highs along the west coasts of continents. In answering the questions, consider both the characteristics of a climate and the dominant controls producing that climate.


Strong continental influence; land very cold in winter.

Environmental & Atmospheric Sciences

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Improved farm equipment and technology introduced during the Industrial Revolution resulted in fewer farm workers needed in rural areas and a major rural-to-urban shift in the population.

a. true b. false

Environmental & Atmospheric Sciences

Which of the following reactions involves the addition of different groups to the two ends of a double bond?

A) hydrogenation B) hydrobromination C) both a and b D) neither a nor b

Environmental & Atmospheric Sciences

Which of the following explains why ketoses are reducing sugars?

A) Under acidic conditions they are converted to aldoses. B) Under basic conditions they are converted to aldoses. C) both a and b D) neither a nor b

Environmental & Atmospheric Sciences

The gravity of Jupiter, Saturn, Uranus, and Neptune resulted in their becoming surrounded by envelopes of nitrogen-rich gas.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences