Define biosphere

• Life on earth
• Gas surrounding earth
• Water on earth
• The solid crust and semi fluid mantle of the earth

Define hydrosphere

• Life on earth
• Gas surrounding earth
• Water on earth
• The solid crust and semi fluid mantle of the earth

Define atmosphere

• Life on earth
• Gas surrounding earth
• Water on earth
• The solid crust and semi fluid mantle of the earth

Define geosphere

• Life on earth
• Gas surrounding earth
• Water on earth
• The solid crust and semi fluid mantle of the earth

How was this landform created?

• Wind eroded the rock
• Water weathered the rock
• Ice eroded the rock
• The pieces of rock are moving away from each other.

All of the pictures are examples of 

• weathering
• erosion
• biosphere
• hydrosphere

Define watershed

• A building that holds water.
• The highest point the water will flow.
• The area of land where all of the water that falls in it and drains off of it goes to a common outlet.
• It doesn't exist.

Which group is most ^_NEGATIVELY affected by a "green" community?

• oil production workers
• local restaurant owners
• people who ride public transportation
• people concerned about the environment

Which of the earth spheres are interacting when evaporation occurs between the ocean and air?

• biosphere and atmosphere
• geosphere and biosphere
• atmosphere and hydrosphere
• biosphere and geosphere

A student is making a model of how the biosphere and atmosphere interact. Which model shows this?

• A model of animals eating plants.
• A model of animals drinking water.
• A model of animals decaying in the ground.
• A model of plants giving off carbon dioxide.