1) What can we do to protect the environment? a) Throw garbage in the river b) Plant more trees c) Cut down all the trees d) Wastewater 2) Which of the following is a renewable energy source? a) Coal b) Solar energy c) Oil d) Gas 3) What should we reduce to help fight air pollution? a) Riding bicycles b) Planting flowers c) Using cars less d) Recycling paper 4) What is global warming? a) A type of weather b) Increase in Earth’s temperature c) Planting more trees d) Cleaning rivers 5) What can we recycle? a) Plastic bottles b) Rocks c) Food waste only d) Sand

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