Fill in: protect, covers, survival, reefs,supply.
1 The harmful chemical has poisoned the city's
water
2 There are lots of colourful coralin the sea.
3. We should all make an effort toendangered animals.
4 Water most of the Earth's surface.
5 Overfishing is endangering the of many sea creatures.
1-survival
2-reefs
3-protect
4-covers
5-supply
Объяснение: