alleryWhich substance gives most of Mars its red colour?
ACopper sulfate
BIron oxide
CRed algae
DSulfur dust
Answer & Solution
Correct answer: B. Iron oxide
1. Martian soil contains iron compounds.
2. Iron oxide gives the planet its red colour.
3. Algae do not live on Mars, and copper sulfate and sulfur are not the cause.
_Source: Wikipedia, Solar System, Inner planets_
Keep practising Solar System
Browse all Solar System questions for CTET, or explore more Social Studies topics.
Related questions
Where did humans first emerge, about 300,000 years ago?The summit of which mountain is farthest from Earth's centre of mass?Why is Earth slightly bulging at the equator?Which rock is the oceanic crust predominantly made of?What is the state of Earth's outer core and inner core?Which layer lies directly beneath the lithosphere and has low viscosity?Which parts together form Earth's lithosphere?Which boundary separates Earth's crust from the mantle?