Reading Passage: Mars

The word "nothingness" on line 3 is closest in meaning to:

• chaos

• ubiquitousness

• deplete

• void

1. What did the geologists discover while studying images of a plain on Mars which proved that Mars was moving?

• A giant crater with twisted and rippled formations

• A range of mountains with a glassy strata of material

• A steep slope leading to a crater floor

• An active glacier with flowing water

The word "non-equatorial latitudes" in the middle of the second paragraph is closest in meaning to:

• blurry areas

• unsymmetrical places

• subpolar locations

• not equal ground

3. What is the main reason behind NASA's motto "follow the water"?

• The belief that water is essential for human survival on Mars.

• The idea that water leads to the discovery of ice on Mars.

• The theory that water is a key factor in carving and reforming the Martian landscape.

• The hope that finding water will reveal evidence of extraterrestrial life.

4. What would be the significance of the discovery if the glassy structure is indeed ice?

• It would provide evidence of active glaciers on Mars, perhaps suggesting that water and life may exist.

• It would confirm the presence of liquid water on Mars.

• It would suggest a suitable landing site for human spaceflight missions.

• It would reveal the secrets held by the Martian ice.

What does the word from the passage "astro-geologic" mean?

• (Noun) Stars around Earth

• (Verb) to change from a star to a planet like Earth

• (Adj) describing the scientific features on ground in space

• (Adv) describing how organisms study on space ground

What is this passage mostly about?

• the history and experiments conducted due to human spaceflight missions to Mars

• the discovery of intriguing geological features on Mars, which provide evidence presence of movement and ice, and potential for life on the planet

• geological features of Earth's polar regions which suggest life may exist

• potential colonization of Mars by humans, specially with suggestions that the Mars crater may be the perfect place for Earthling life