Natural Resources II

This is a gas we can find in air.

• Oxygen

• Gas

• Water

• Rocks

This is a gas human used to breath.

• Oxygen

• Nitrogen

• Argon

• Other gases

This is the type of soil perfect for growing plants.

• Clay

• Silt

• Loam

• Sand

This is a type of rocks.

• Igneous

• Rock

• Water

• Candy

This type of rocks are made of sediments and organic materials.

• Igneous

• Sedimentary

• Metamorphic

• Rocks

Planet Earth can change by

• Nothing

• Weathering and Erosion

• Meteor

• Sunlight

This kind of changes on Earth surface can be made by water and Air.

• Weathering

• Rain

• Oxygen

• Tornado

This change on Planet Earth is made by humans.

• Rainbows

• Clouds

• Earthquakes

• Deforestation