II. Directions: Choose the word that best fit the sentences to complete the sentence. Write your answer on the space provided before the number.

Sustainability
Recycling
Reforestation
Destruction
Carbon Dioxide

1. Is the practice of using our natural resources responsibly.
2. Burning of fossil fuels contributes to air pollution and produce other greenhouse gases which can trap heat in our atmosphere.
3. Trees are also cut down for lumber and to build houses.
4. Is the practice of planting new trees in areas that have been depleted.
5. Reducing waste, reusing materials instead of many ways that we need to practice.​