_______________the average of all weather data, including extremes, that helps to describe the environment of a place or region.

_______________ is known as the blue planet.

______________are huge magnetic storms on the Sun’s surface

___________ are known as bottom dwellers.

What is the name of layer 13?  

_____________is the water hemisphere.

What is the primary power source for the Earth system?

Which of the following processes does not decrease salinity (add water)?

_____________________ is the measurement of ocean depths and the charting of the shape or topography of the ocean floor.

_________________ occurs when  sediment moves in a zigzag pattern along the beach face.