5th box -Flashcards

/dɪˈfens/ (n.) Protection Trees provide a natural defense against air pollution.

/pəˈluːʃən/ (n.) damage to air, water, etc. Trees provide a natural defense against air pollution.

/əˈkwætɪk/ (Adj.) Living in the water Many life forms-both terrestrial and aquatic are becoming endangered as forests' vanish.

/ˌvedʒɪˈteɪʃən/ (n.) Plants Vegetation along rivers and stream banks helps maintain a steady water flow by blocking the entry of soil and other residue.