V. Answer the questions:
1. What is the most dangerous human activity affecting marine species?
2. What marine species are harvested at their terrestrial breeding sites?
3. What threatens land-breeding species?
4. Why are truly marine species less prone to biological extinction?
5. What species are classified as Endangered?

1)decided-past simple 2)was completed and tested-past simple passive, was issued-past simple passive 3)was changed-past simple passive,  dropped-past simple4) had been fired-past perfect passive5) was released-past simple passive6) dropped-past simple7)exploded-past simple,  was released-past simple passive8)exploded-past simple,  produced-past simple, caused-past simple9)generated-past simple,  caused-past simple10) were killed and injured-past simple passive11)is estimated-present simple passive,  died-past simple12) was selected  -past simple passive13) made-past simple14) was dropped-past simple passive14)  killed  -past simple,  injured-past simple15) were-past simple, proved-past simple, was greater-past simple16) inflicted-past simple, were-past simple17) resulted-past simple18) have said-present perfect, ended-past simple, have said-present perfect, was-past simple, should be repeated19) float-present simple, died-past simpleвроде так