QUIZ 1 - MIDTERM

Water resources includes lakes, rivers, oceanic water and etc.

• TRUE

• FALSE

What are the mixture of gases that surrounds the earth that we breathe?

• Nitrogen

• Oxygen

• Inert gas

• Hydrogen

Select the sources of air pollution.

• Dynamite fishing

• Burning of fossil fuel

• Volcanic eruption

• Emissions

• Oil spills

What are the three main sources of water?

• Surface

• Ground

• Rain

• Cliff

• Water tanks

In water cycle, it is the process by which water vapor in the air changed into liquid water.

• Evaporation

• Condensation

• Precipitation

Choose three limiting factors of water resources.

• population growth

• global warming

• shrinking of rivers

• too much evaporation of water

• isolation of countries from salt water

Choose three layers of atmosphere.

• Lithosphere

• Asthenosphere

• Mesosphere

• Troposphere

• Thermosphere

What do you call a leaking out of the Earth's atmosphere into outer space?

• Exosphere

• Thermosphere

• Mesosphere

• Stratosphere

• Troposphere

Where meteors burn up?

• Exosphere

• Thermosphere

• Mesosphere

• Stratosphere

• Troposphere

It is where humans and animals live.

• Exosphere

• Thermosphere

• Mesosphere

• Stratosphere

• Troposphere