true or false

oil is non-renewable resource

• true

• false

wind is renewable resource

• true

• false

Solar power is a ………………. source of the unlimited natural sources of energy.

• steep

• renewable

• several

• tiny

Volcanoes can erupt violently and .............................to destroy buildings around.

• powerfully

• cautiously

• impatiently

• neatly

To save energy, we should …………the amount of paper or plastic we use daily

• attach

• reduce

• reuse

• recycle