[Answer] Which of the following observations indicates that conditions on Mars may have been suitable for life in the past?

Answer: There are dried-up riverbeds on Mars.

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Which of the following observations indicates that conditions on Mars may have been suitable for life in the past? 8) Which of the following observations indicates that conditions on Mars may have been suitable for life in the past ? C) There are dried-up riverbeds on Mars . 7) Which of the following … Which of the following observations indicates that conditions on Mars may have been suitable for life in the past ? Question options: Mars has polar caps made of "dry ice." There is a very deep and long canyon that extends across Mars . Mars has two small moons. There are dried-up riverbeds on Mars . There are very large extinct volcanoes on Mars . Which of the following observations indicates that conditions on Mars may have been suitable for life in the past ? The are dried-up riverbeds on Mars . Which of the following is not an exception to the general ...

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