Env Science Ch 3 Review

Earth's thin outer layer that is composed almost entirely of light elements.

• crust

• mudflow

• atmosphere

• core

Removal and transport of surface material by wind or water

• magma

• erosion

• methane

• ions

The part of the atmosphere where weather conditions exist.

• troposphere

• mesosphere

• asthenosphere

• biosphere

The coldest layer of Earth's atmosphere

• troposphere

• core

• mesosphere

• mantle

In the troposphere, what decreases as altitude increases?

• temperature

• radiation

• pressure

• conduction

How many oxygen atoms are in an ozone molecule?

• two

• three

• four

• one

The warm, top layer of ocean water

• surface zone

• thermocline

• open ocean

• deep zone

Deep currents flow along the...

• ocean floor

• ocean surface

• thermocline

• halocline

Earth's rigid OUTER layer that includes crust and upper mantle

• inner core

• mesosphere

• tectonic plates

• lithosphere

Dense layer of earth made of iron and nickel

• tectonic plates

• inner core

• asthenosphere

• lithosphere