SCIN 139 Final Exam Answers All Possible Questions Top of Form Part 1 of 2 – Final: Multiple Choice 66.0/ 78.0 Points Question 1 of 31 3.0/ 3.0 Points The world’s population growth has always been evenly distributed. A. True B. False Question 2 of 31 3.0/ 3.0 Points The growth of the Earth’s overall population is distributed evenly. A. True B. False Question 3 of 31 3.0/ 3.0 Points In Table 7-1, which of the following diseases was the leading cause of death through the 1900s and today? A.Tuberculosis B.Diabetes C.Heart Disease D.Cancer Question 4 of 31 3.0/ 3.0 Points Anasazi Pueblos of the Southwest U.S. (i.e. Arizona, New Mexico) which flourished from 700-1200 A.D., began to fall primarily due to: A.drought B.insect pests C.disease D.war Question 5 of 31 3.0/ 3.0 Points Countries like Nigeria, Ethiopia and Pakistan continue on a rapid growth trajectory with both high fertility and young populations. In 1998, each was predicted to add 50% to its population within 20 years. This is an example of: A.fecundity B.population momentum C.replacement level D.family planning Question 6 of 31 3.0/ 3.0 Points Poultry, cow, and pig provide _____% of our animal protein. A.10 B.25 C.50 D.80 Question 7 of 31 3.0/ 3.0 Points Three quarters of all 19th century deaths are estimated to have been caused by infectious “crowd diseases.” True False Question 8 of 31 3.0/ 3.0 Points IMR: A.is measured in deaths of infants under one year per thousand live births B.varies among nations, social classes and ethnic groups C.is directly linked to diet, disease, living space, climate, and female workload D.all of the above Question 9 of 31 3.0/ 3.0 Points Between 1790 and 1970, rural-to-urban migration or “urbanization” was changing social and cultural structures of societies. In the United States for example, the percentage of the people living in urban areas jumped from _____% to _____%. A.10% to 61% B.10% to 89% C.10% to 78% D.10% to 53% Question 10 of 31 3.0/ 3.0 Points Which of the following crops was a major subsistence base for the Andes Mountains as early as 4550 B.C. (according to table 3-2)? A.Rice B.Maize C.Wheat D.Potato Question 11 of 31 3.0/ 3.0 Points According to Figure 7-4, which Sub-Saharan African country has the most drastic disparity between life expectancy of those with – and those without – the AIDS virus? A.Congo B.Zimbabwe C.Nigeria D.Uganda Question 12 of 31 3.0/ 3.0 Points According to table 3-2 in the texbook, which of the following crops was a major subsistence base for Southcentral Mexico as early as 4500 B.C.? A.Rice B.Potato C.Maize D.Wheat Question 13 of 31 3.0/ 3.0 Points Although the Industrial Revolution technically spans more than one century, which time period saw the majority of technological advancements generally considered to be representative of the era? A.the 1700s B.the 1800s C.the 1900s D.the 1600s Question 14 of 31 3.0/ 3.0 Points Vegetable proteins are classified as Grade I and are the best source for the eight essential amino acids. True False Question 15 of 31 3.0/ 3.0 Points In which stage of epidemiological transition in Europe and the U.S. are chronic and degenerative diseases the leading cause of death? A.Stage I B.Stage II C.Stage III D.Stage IV Question 16 of 31 3.0/ 3.0 Points Children are less affected than adults by changes in living conditions since their growing bodies are less sensitive to mild fluctuations of the environment. True False Question 17 of 31 0.0/ 3.0 Points According to table 5-1, which country in 1998 had the second lowest population doubling time (DT) of 25? A.Nigeria B.Pakistan C.Ethiopia D.Phillippines Question 18 of 31 0.0/ 3.0 Points Fatty acids: A.store energy in the liver and muscle tissue where it can be quickly converted to glucose B.store energy and absorb and transport nutrients; are 10-25% of our body weight C.transport cells, nutrients and waste; are about 60% of our body weight D.enable vital functions of metabolism and bone structure and transport essential substances Question 19 of 31 0.0/ 3.0 Points Regarding population growth curves (like the one on page 38), K means: A.exponential growth. B.migration. C.sigmoid form. D.carrying capacity. Question 20 of 31 3.0/ 3.0 Points Carbohydrates: A.store energy in the liver and muscle tissue where it can be quickly converted to glucose B.store energy and absorbs and transports nutrients; is 10-25% of our body weight C.transports cells, nutrients and waste; is about 60% of our body weight D.enable vital functions of metabolism and bone structure and transport essential substances Question 21 of 31 3.0/ 3.0 Points The Inuit (Eskimo) gain most of their food by hunting marine and terrestrial mammals. This is an example of: A.genetics. B.a human ecological niche. C.J-curve. D.surplus. Question 22 of 31 0.0/ 3.0 Points The NCHS standards, used to compare children’s health statistics in populations from all over the world, mostly consider the diversity of all the following indicators, EXCEPT: A.ethnic B.environmental C.economic D.genetic Question 23 of 31 3.0/ 3.0 Points The book “The Hot Zone” discusses the rapid transmission of which of the following: A.AIDS B.Malaria C.Smallpox D.Ebola Question 24 of 31 3.0/ 3.0 Points Historically, improvements in agricultural technology can sustain greater numbers of people. A. True B. False Question 25 of 31 3.0/ 3.0 Points The following are examples of biological adaptation: A.acclimatization. B.behavioral. C.genetic. D.both A and C. Question 26 of 31 3.0/ 3.0 Points ‘Improvements to water supply and removal of garbage were of primary importance to the public’s health’ describes: A.Urbanization B.Chadwick Report C.Mathusian Trap D.none of the above Part 2 of 2 – 19.0/ 22.0 Points Question 27 of 31 3.0/ 3.0 Points The leading cause of death of all the infectious diseases, killing 2 million people a year and putting about 40% of the world’s population at risk, is Question 28 of 31 3.0/ 3.0 Points Study Figure 4-4 of the textbook. In five words or less, why did smallpox deaths rebound in the early 1870s? Question 29 of 31 3.0/ 3.0 Points An epidemiologist would be interested in the Frequency, patterns of a disease or its distribution within a population. Question 30 of 31 0.0/ 3.0 Points The concept of a population exceeding its food supply (or “carrying capacity”), as demonstrated in Europe’s preindustrial period, is known as the Question 31 of 31 10.0/ 10.0 Points THIS IS A 10 POINT ESSAY: Answer BOTH parts of the question. PART 1: Describe the Aral Sea environmental catastrophe. Analyze the situation using “S.P.E.E.C.H.” perspectives. PART 2: In chapter 8, we learned about sustainable development. If you were a manager hired to solve the issues you’ve analyzed above, what specific recommendations would you make in terms of sustainable development and surviving environmental change?
January 16, 2018
A star that is spectral class A is hotter than a star of spectral class O.
January 16, 2018

Suppose Hurricane Bruno reached land with a sustained wind speed of 150 miles per hour. What category would the National Weather Service assign to this storm?

Question 1 of 254.0 Points
Suppose Hurricane Bruno reached land with a sustained wind speed of 150 miles per hour. What category would the National Weather Service assign to this storm?

A.Category Two

B.Category Three

C.Category Four

D.Category Five

Question 2 of 254.0 Points
What is the relative humidity when the air temperature is 75 degrees Fahrenheit and the Wet Bulb temperature is 65 degrees Fahrenheit?

A.40 percent

B.50 percent

C.60 percent

D.70 percent

block is moving with a speed of 6 meters per second. What is the magnitude of the unknown force?

A.2 Newtons

B.11 Newtons

C.34 Newtons

D.102 Newtons

Question 4 of 254.0 Points
According to the Milankovitch Theory, which of the following is likely to produce change in the Earth’s climate?

A.Change in the tilt of the Earth’s axis

B.Change in the eccentricity of the Earth’s orbit

C.Change in the timing of the equinoxes and solstices

D.All of the above are likely to produce a change in the Earth’s climate.

Question 5 of 254.0 Points
On average, which form of severe weather causes the most fatalities per year in the United States?

A.Tornadoes

B.Flooding

C.Lightning

D.Heat

Question 6 of 254.0 Points
The Mediterranean climate is included in which climate group?

A.Tropical Moist Climates (Group A)

B.Dry Climates (Group B)

C.Moist Subtropical Mid-Latitude Climates (Group C)

D.Moist Continental Climates (Group D)

Question 7 of 254.0 Points
Which of the following describe the Little Ice Age?

A.The Viking colony in Greenland perished.

B.Vineyards vanished from England.

C.Winters were long and severe, and summers were short and wet.

D.All of these describe the Little Ice Age.

Question 8 of 254.0 Points
Where in the United States is rain the most acidic?

A.Rocky Mountain States

B.Gulf Coast of Texas

C.Middle Atlantic States and the Northeast
D.Pacific Northwest

Question 9 of 254.0 Points
What is the wind chill if the temperature of the air is minus 20 degrees Fahrenheit and the wind speed is 50 miles per hour?

A.minus 30

B.minus 40

C.minus 50

D.minus 60

Question 10 of 254.0 Points
Suppose the flame on a gas burner stove emits light just like a blackbody. The flame appears blue, emitting most of its light at a wavelength of 475 nanometers. What is the temperature of the flame?

A.3101 K
B.4101 K

C.5101 K

D.6101 K

Question 11 of 254.0 Points
In which layer of the Earth’s atmosphere does most day-to-day weather (rain, snow, thunderstorms) take place?

A.troposphere

B.mesosphere

C.thermosphere

D.stratosphere

Question 12 of 254.0 Points
Where would you expect to find the Horse Latitudes?

A.Near 30 degrees north and 30 degrees south of the equator
B.Near the equator

C.Near 60 degrees north and 60 degrees south of the equator
D.On a ranch in Wyoming

Question 13 of 254.0 Points
Which of the following is a consequence of a macroscale climate control?

A.Phoenix, Arizona, is now more humid in the summer than it was before agriculture and irrigation developed extensively in the rural areas outside the city.
B.More precipitation falls on the windward side of a mountain range than on the lee side.

C.The annual range of temperatures is greater in theNorthern Hemisphere than in the Southern Hemisphere.

D.Cities are warmer than their rural surroundings.

Question 14 of 254.0 Points
Which pH is the most acidic?

A.4.0

B.6.0

C.8.0

D.10.0

Question 15 of 254.0 Points
What is the Heat Index when the air temperature is 97 degrees Fahrenheit and the relative humidity is 60 percent?

A.110

B.120

C.130

D.140

Question 16 of 254.0 Points
Which of the following can be attributed to refraction of light in theA.The green flash, which is a light green color on the upper rim of the Sun as it is setting
B.Scintillation, or the twinkling of light from stars

C.Twilight, the time after sunset (and before sunrise) when the sky remains somewhat illuminated D.The green flash, scintillation, and twilight are all results of atmospheric refraction.

Question 17 of 254.0 Points
What is the normal pH of rain?

A.4.1

B.5.6

C.7.0

D.8.3

Question 18 of 254.0 Points
Which meteorological satellite orbit is best suited for continuous monitoring of the track of a hurricane?

A.Geostationary Orbit

B.Polar Orbit

C.Low Earth Equatorial Orbit
D.Lunar

Question 19 of 254.0 Points
In which layer of the Earth’s atmosphere do most of the charged particles of the ionosphere coexist with neutral (uncharged) atoms and molecules?

A.troposphere

B.stratosphere

C.mesosphere

D.thermosphere

Question 20 of 254.0 Points
What is the relative humidity when the wet-bulb temperature and the dry-bulb temperature are the same?

A.90 percent

B.95 percent

C.100 percent

D.None of the above

Question 21 of 254.0 Points
Normal temperature for the human body is about 98.6 degrees Fahrenheit. This is about 37 degrees Celsius, or about 310 K. If the human body emits light like a blackbody, at what wavelength would it give off most of its light?

A.7108 nm

B.7692 nm

C.8172 nm

D.9348 nm

Question 22 of 254.0 Points
If the temperature of the air is 273 K, what is this temperature on the Fahrenheit scale?

A.0 degrees Fahrenheit

B.20 degrees Fahrenheit

C.32 degrees Fahrenheit

D.45 degrees Fahrenheit

Question 23 of 254.0 Points
Suppose the dry adiabatic lapse rate is 10 degrees Celsius per 1000 meters and the saturated adiabatic lapse rate is 6 degrees Celsius per 1000 meters. If an atmospheric sounding indicates that the environmental lapse rate is 14 degrees Celsius per 1000 meters on a hot humid summer afternoon, which of the following weather conditions is most likely?

A.clear skies

B.air pollution

C.thunderstorm

D.cold front

Question 24 of 254.0 Points
What two elements comprise 99 percent of the volume of the Earth’s atmosphere?

A.oxygen and water vapor
B.nitrogen and oxygen

C.hydrogen and oxygen

D.neon and nitrogen

Question 25 of 254.0 Points
Suppose you are resting under a shade tree in the desert. The temperature is 90 degrees Fahrenheit, and the relative humidity is 30 percent. What is the Heat Index?

A.89

B.92

C.95

D.98

 

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