Environment and its Conversation

We can save electricity by

• Turning on heater

• Playing loud music

• Using led bulb

• Leave light on always

The layer of atmosphere between 10 km to 50 km

• Troposhere

• Stratosphere

• Tonosphere

• Mesosphers

Define dessertification in one word

Mt. Etna is a______volcano

Ozone depletion is greatest near the____regions [BONUS]

• Tropical

• Polar

• Equatorial

• Oceanic