Question

based on the text, what three findings from spirit indicate that water once existed on mars? spirit landed in what may be a lake bed. spirit unearthed ground with a lot of silica. spirit found goethite. spirit discovered an ancient geyser.

Explanation:

We need to select three valid findings from the options that indicate past water on Mars. A lake bed implies a body of water; silica can form in aqueous environments; goethite is a mineral that forms in the presence of water.

Answer:

1. Spirit landed in what may be a lake bed.
2. Spirit unearthed ground with a lot of silica.
3. Spirit found goethite.