Why is Mars red?

What is the primary reason Mars appears reddish-orange?

• It is covered in vast oceans.

• Its surface is covered in reddish-orange rocks and soil.

• It reflects the color of the sun.

• It has a thick atmosphere that filters light.

What element found in Mars' rocks and soil causes its reddish-orange color when it rusts?

• Carbon

• Oxygen

• Iron

• Silicon

What is the main purpose of the InSight lander's robotic digging tool, "The Mole," on Mars?

• To collect samples of alien plants.

• To build human habitats on the surface.

• To measure temperature and search for liquid water beneath the surface.

• To take photographs of the Martian landscape.

Why is finding water on Mars considered exciting for the possibility of life?

• Water is needed to grow alien plants.

• All known living things require water to survive.

• Water can be used to power future human settlements.

• Water helps to create the reddish-orange color of the planet.