Unit Test — Unit test Answers

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1
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Advances in medical technology have improved human lives in which of the following ways? Select 4 options.

A
by making war illegal
B
by producing better and stronger medicines
C
by making information about medical studies available on the Internet
D
by creating medical equipment that is more precise
E
by having lasers and robotics help with complex surgeries
F
by eliminating the need for exercise or dieting
2
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What is the primary role that invasive species play in the survival of native animal species?

A
They increase the volume of food supply available to the native animal species.
B
They run out the native animal species from their natural habitat.
C
They become an additional source of food to the native animal species.
D
They help support the native animal species.
3

What demographic change has consequences for both natural resources and the ability of countries to provide for their people?

A
an aging population
B
rapid population growth
C
slower birth rates
D
lower fertility rates
4

Since 1970, why did most of the 12 million people from Latin America immigrate to the US?

A
for improved educational opportunities
B
to escape war and government persecution
C
for improved economic opportunities
D
to be with family already in the US
5

The Kyoto Protocol focused on

A
wildlife conservation.
B
limiting pollution.
C
cleaning up toxic waste sites.
D
creating preserves to protect natural habitats.
6

[BLANK]

A
Natural populations
B
Dependency ratios
C
Quotas
D
Migrants
7

The most likely reason countries have become more connected is they often

A
depend on each other for social systems.
B
need each other for loans and bail-outs.
C
depend on each other more for raw materials and finished products.
D
need each other for leadership.
8

Which is a correct statement about natural resources?

A
Fossil fuels and certain minerals are renewable resources.
B
Wind and water are considered nonrenewable resources.
C
Areas rich in natural resources tend to transport them worldwide.
D
Areas rich in natural resources tend to keep them to themselves.
9

High dependency ratios contribute to

A
low death rates.
B
high death rates.
C
low poverty rates.
D
high poverty rates.
10

The number of people in relation to the land is called

A
country demographics.
B
population resources.
C
population density.
D
country population.
11

The map below shows worldwide ownership rates of televisions.

Question illustration
A
South America.
B
Africa.
C
India.
D
North America.
12

Which population characteristics do demographics usually measure?

A
number of resources
B
number of schools
C
ethnicity and race
D
height and weight
13

The International Space Station is an example of

A
competition among nations.
B
fatigue when it comes to space exploration.
C
cooperation among nations.
D
the dangers of technology.
14

[BLANK]

A
Environmental Protection Agency
B
World Wildlife Fund
C
United Nations
D
Kyoto Protocol
15

Which of the following is a renewable source of energy?

A
coal
B
oil
C
wind
D
natural gas
16

What is the last step in making and using products?

A
Companies extract and gather raw materials.
B
Customers throw away waste from products.
C
Companies ship products to stores.
D
Customers use the products they buy.
17

The chart shows demographic information.

Question illustration
A
low fertility rate
B
high fertility rate
C
low life-expectancy rate
D
high life-expectancy rate
18

Which of these methods were part of the Green Revolution’s efforts to increase productivity? Select 5 options.

A
breeding superior types of grains
B
use of machinery
C
use of irrigation
D
use of fertilization
E
emphasis on single crops
F
soil conservation
G
avoidance of pesticides
19

The Green Revolution refers to advances that took place in

A
education.
B
agriculture.
C
space exploration.
D
medicine.
20

What happens as connection and trade between countries increases? Check all that apply.

A
There is more demand for natural resources.
B
There will probably be more pollution from manufacturing.
C
Natural resources are transported worldwide.
D
With higher demand, all natural resources will be depleted.
E
Finished products are transported worldwide.

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