Please help quickly
The various mountain ranges in North American countries contain coal and other important natural resources. Which of the following describes the main challenge that mountains presented to settlers in North America?
a
The climate in mountainous areas kept people from wanting to settle there.
b
The mountains were difficult to cross, which prevented trade with overseas countries.
c
Building railroads to cross the mountains was dangerous and expensive.
d
Access to the mountain ranges required fighting several wars.

Question 4
Singapore's GDP per capita ranking is number 3 in the world. The United States GDP per capita ranking is number 7. Based on this information, which of the following statements is most likely to be true?
a
Singapore has a lower population than the United States.
b
The United States has a lower population than Singapore.
c
Singapore has a higher standard of living than the United States.
d
The United States has a higher standard of living than Singapore.

Question 5
Based on the information in the chart, which two countries have the most similar standard of living?
a
Canada and China
b
Mexico and U.S.
c
Canada and Mexico
d
U.S. and Canada

Question 6
Which of the following can be determined using the information in the chart?
GDP Per
Capita
Poverty Rate
Literacy Rate
Avg. Life
Expectancy
Canada
$39,400
9.4%
99%
81.4
United
States
$47,200
15.1%
99%
78.4
Cuba
$9,900
99.8%
77.7
Brazil
$10,800
26%
88.6%
72.5
a
Whether Brazil or Cuba has a higher gross domestic product
b
Whether the U.S. or Cuba has a higher standard of living
c
Whether Canada or the U.S. has a higher population
d
Whether Canada or Cuba has a lower poverty rate

Question 7
As gas prices increase, sources of alternative energy continue to increase in popularity. The map below shows the distribution of solar energy on the surface of the Earth. If Solar Corp, a solar power company, wants to build a new solar harvesting plant, in which region does it make the least sense for them to start?
The image shows a map of the United States with Alaska and Hawaii inset. The map shows a variety of levels of monthly average daily total radiation. The map is color-coded with reds showing the highest levels of radiation, yellows showing the mid-range levels of radiation, and browns and khaki colors showing the lowest levels of radiation. The colors appear on the map in the following concentrations, from east to west: the northeast is predominately brown, beige, and neutral colors. The mid-Atlantic states are beige, tending toward the yellow colors further south. The Southern states are yellow with some beige and khaki further north. The states around the Great Lakes are predominately beige, with some yellows westward. The states in the middle part of the country, starting with Texas in the south and ending with North Dakota, become more yellow, with some orange and reds in the western portions. The Northwestern states, including Idaho, Montana, Oregon, and Washington are more beige with some yellows. The southwestern states including California are mostly orange and red. Alaska is mostly beige with some khaki in the extreme north. Hawaii is almost entirely yellow.
Public Domain
a
Central and Northern Plains
b
Southeastern U.S.
c
Southwestern U.S.
d
Pacific Northwest and Alaska

Question 8
The image shows various natural resources across North America. In Mexico, the map indicates copper, silver, and iron are found. Across the United States, iron, oil, coal, copper, and silver are found. In Canada, lead and zinc, coal, copper, oil, iron, gold, silver, and uranium are found. In Alaska, coal, gold, and oil are found.
Which of the following countries in North America is most likely to export gold?
a
United States
b
Belize
c
Canada
d
Mexico

Question 9
Review the map below. Which of the following resources is found in Canada and the United States but not Mexico?

The image shows various natural resources across North America. In Mexico, the map indicates copper, silver, and iron are found. Across the United States, iron, oil, coal, copper, and silver are found. In Canada, lead and zinc, coal, copper, oil, iron, gold, silver, and uranium are found. In Alaska, coal, gold, and oil are found.
a
Copper
b
Oil
c
Silver
d
Iron

Question 10
What is the main advantage to a single resource economy?
a
The ability to improve products and lower costs
b
The ability to minimize risk if a natural disaster occurs
c
The ability to offer more products and services to other countries in trade
d
The ability to become very efficient in producing a specific resource

Question 11
Based on the following chart, which country has the most diversified economy?
Imports Exports
Country A gold, wheat, coal diamonds, livestock
Country B soybeans, crude oil sugar
Country C automobiles, diamonds, computers olive oil, soybeans, wheat
Country D diamonds, crude oil gold, corn, livestock, fruit
a
Country C
b
Country B
c
Country D
d
Country A