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:
volcanoes and canyons