MCAS Earth Science

How many billion years ago was the Earth formed?

Continental and Hills are two kind of glaciers

__are small depressions left in areas when chunks of ice are left in glacial till.

_____ is the shape of the land.

_____ is the loose layer of dead plant leaves and stems on the surface of soil.

There are two types of weathering mechanical and chemical.

____ is the part of soil that contains decayed plant and animal material.

 Mountains, plateaus, and plains are the 3 major landforms

How many horizons are there in soil formation?

The grinding away of rock surfaces by other rock or sand surface is called

What forms as a result from till deposited at the edge of an iceberg?

How much of the Earth do continental glaciers cover?

Is abrasion chemical or mechanical weathering? 

_________ is the breakdown of rock into smaller and smaller pieces.

What if contour lines are close together?