What is the cause of rising surface temperatures of the Pacific Ocean, drought in the western United States, and flooding on the Pacific coast of South America?

• the Gulf Stream
• the Jet Stream
• La Nina
• El Nino

What is this landform?

• lake
• peninsula
• hills
• mountain

What is this landform?

• mountain
• canyon
• coast
• cliff

Flood water pounding against a canyon wall and wearing it down

• Weathering
• Erosion
• Deposition

• bay
• isthmus
• cape
• glacier

narrow stretch of water joining two larger bodies of water

• strait
• isthmus
• tributary
• delta

Polar Bears hunt seals on ice:

• Biosphere-Hydrosphere
• Biosphere-Atmosphere
• Hydrosphere-Atmosphere
• Hydrosphere-Geosphere

This sphere is composed of all the living things 

• Hydrosphere 
• Biosphere 
• Atmosphere 
• Geosphere 

Wind is part of what sphere of Earth?

• Windosphere
• Atmosphere
• Hydrosphere
• Airosphere

Which layer of Earth is made up of tectonic plates?

• outer core
• inner core
• asthenosphere
• lithosphere