Keyphrases
Alarm System
30%
Bark
30%
Belief Systems
30%
Black Plague
46%
Burrow
30%
Cause-effect
64%
Clothing
35%
Computer Virus
46%
Cultural Significance
33%
Distance Education
32%
Economic System
39%
Electrical Industry
30%
Electrical Wiring
30%
Elements of Nature
30%
Environmental Phenomena
30%
Formal Education
47%
Guard
46%
Herodotus
33%
Historic Preservation
30%
Historical Significance
30%
Human Activities
55%
Insurance
30%
Intellectual Property Systems
30%
Kindergarten
34%
Law
72%
Living Things
32%
Modal
45%
Modern Studies
33%
Multilingual Education
30%
Past Event
50%
Personal Loss
30%
Physical Objects
31%
Plague
41%
Preschool
34%
Preservation Effort
30%
Primary Education
33%
Primary School
34%
Private Schools
33%
Protective Clothing
30%
Secondary School
53%
Security Measures
30%
Shareholders
38%
Spine
31%
Stock Companies
34%
Technological System
38%
Thucydides
33%
United States
49%
Water Loss
30%
Working Day
46%
World Wide Web
57%
INIS
adults
20%
animals
33%
anorexia
30%
asia
25%
business
22%
canada
32%
cars
30%
causality
39%
children
27%
communities
25%
computers
55%
death
30%
devices
32%
diet
25%
drugs
30%
economics
25%
economy
19%
education
96%
ethics
18%
food
40%
foundations
36%
humans
83%
hybrids
30%
income
24%
internet
36%
inventions
20%
investigations
41%
legal aspects
62%
liabilities
20%
marijuana
30%
operation
37%
people
100%
populations
32%
power
20%
profits
30%
protection
38%
psychology
26%
risks
34%
schools
63%
security
37%
shape
21%
speech
23%
springs
20%
stocks
46%
universities
30%
usa
69%
values
22%
viruses
48%
weight
49%
working days
46%
