Earth Systems

What are gasses in the atmosphere that absorb and reradiate thermal energy from the sun.

• Igneous

• Greenhouse

• Phosphorus

• Metamorphic

The total amount of carbon in the cycle remains the

• Same

• Higher

• Lower

True or false Rock materials sometimes change from one form to another quickly

• True

• False

All life on earth exists in the

• Biosphere

• Geosphere

• Hemisphere

• Atmosphere

Apatite is a ——————- material.

• Phosphate

• Phosphorus

• Luster

The rise in Earth’s average surface temperature is often called ———————

Hurricanes and tsunamis form in which parts of the Earth?

• Hydrosphere

• Geosphere

• Hemisphere

• Atmosphere

What happens when an overgrowth of algae dies?

Where is most of the water of the hydrosphere found?

Phosphorus is not found in nature as an element, but combined with oxygen in compounds called ——————

• Phosphorus

• Phosphate

• Carbon

• Oxygen