Give the correct form of the words in the brackets in each of the following sentences.
44. Many seabirds were _____________ because of the oil spill. (die)
45. Trees can’t grow here because the soil is too _____________. (pollute)
46. Light pollution makes us _____________ to see the stars in the sky. (able)
47. What’s a _____________? It’s a substance that contaminates something. (pollute)
48. Waste from households will gradually _____________ the lake. (contamination)
49. That fierce storm left behind badly _____________ buildings. (damage)
50. Noise is regarded as _____________ pollution. (environment)
51. Fish and many other animals are killed by _____________ in their habitat. (pollute)
52. Scientists say that exhaust fumes are _____________ our city. (poison)
53. _____________ waste spills can contaminate groundwater. (industry)