Dynamic Earth Systems

What safeguards our solar system from cosmic rays?

• The Sun's gravitational pull

• The Sun's magnetic field

• The Sun's force field

• The solar wind

What are dangerous outbursts of solar winds called?

• Solar flares

• Coronal mass ejections

• Sunspots

• Solar storms

What elements are stripped away from Venus's upper atmosphere by solar storms?

• Carbon and nitrogen

• Hydrogen and oxygen

• Sulfur and argon

• Helium and neon

What is Earth's primary defense against solar storms?

• Its atmosphere

• Its magnetic field

• Its ozone layer

• Its clouds and ice

What primarily sets Earth's climate engine in motion?

• Ocean currents

• Uneven solar heating

• Volcanic activity

• Earth's rotation