Complete the sentences with the appropriate words.

1) It makes me sad when I see ... on the streets.
2) The United States sent food and ... to the earthquake survivors in Haiti.
3) Some countries lose lots of trees every summer because of ... .
4) After the earthquake people lived in tents and didn't have any ... .
5) A hurricane is a very destructive ... .
6) Temperatures around the world are changing because of ... .
7) Pandas and loggerhead turtles are ... .