Determiner

Modifier

Headword

Qualifier

NP1

a

New

Class

of environmental problem

NP2

the

Global ecological

System

/

NP3

these

/

Threat

/

NP4

the

600 percent increase

Increase

in the amount of Chlorine in the atmosphere during the last forty years

NP5

the

/

Chlorofluorocarbons

/

NP6

the

Increased

Levels

of chlorine

NP7

the

Global

Process

/

NP8

the

/

Earth

/

NP9

the

/

Amount

of ultraviolet radiation from the sun

NP10

/

/

We

/

NP11

/

Chlorine

Levels

/

NP12

the

Radiation

Levels

/

NP13

the

/

Point

/

NP14

all

Animal and plant

Life

/

NP15

a

new

Threat

to their survival

Total number

13

9

15

5

Percentage

86.6%

60%

100%

33.3%