Answer the following question: Q: What two structures are found on mars? Read this paragraph and choose the correct option from the provided answers: The surface of Mars has volcanoes and canyons. There is a polar ice cap and channels that were once filled with water. Curiosity has found evidence of a flowing stream. Choices: - geysers and canyons - Mountains and Creeks - Trees and Canyons - volcanoes and canyons A:
Answer:
volcanoes and canyons