A
B
C
D
100

/ˈstʌdiz/

studies

100

/ˌbaɪəʊdaɪˈvɜːsəti/

biodiversity

100

/baɪˈəʊtə/

biota

100

/uːz/

Ouse (the River Ouse in Eastern England)

200

/ˈɪmpækt/

impact

200

/ˈiːkəʊsɪstəm/

ecosystem

200

/riˈæktɪv/

reactive

200

/ðə ˈtemz/

The Thames (river that flows from west England to East England, through London)

300

/klaɪˈmætɪk/

climatic

300

/ˌiːkəˈnɒmɪk/ or /ˌekəˈnɒmɪk/

economic

300

/ˈflʌdpleɪn/

floodplain

300

/ˈveəri/

vary

400

/kənˈkluːdid/

concluded

400

/ˈflʌdɪŋ/

flooding

400

/ˈɡrævl/

gravel

400

/leŋkθ/

length

500

/ˈləʊlənd/

lowland

500

/ˈrekɔːdz/

records

500

/əˈluːviəl/

alluvial

500

/səˈdʒest/

suggest