Question

What evidence suggests that Mars might have had conditions suitable for life?

• A. The presence of microgravity
• B. The discovery of ancient riverbeds by Mars rovers
• C. Data from Voyager probes
• D. Cooperation between NASA and Ros cosmos

Answer 1

Answer:

B. The discovery of ancient riverbeds by Mars rovers

The passage states that Mars rovers, such as Curiosity and Perseverance, discovered ancient riverbeds suggesting Mars once had conditions suitable for life.