For me, the highlight of this past week's science news was the images (1) ........ back from the Curiosity rover
a. thrown b. shot c. beamed d. fired
c. beamed
The evidence has been ........ as well, as various clay minerals and iron oxides have been identified through hyperspectral imagery.
a. swelling b. expanding c. increasing d. mounting
d. mounting
Nonetheless, I suspect that the image of definitely water-lain (4) ........ made geologists very happy.
a. sediments b. dross c. grounds d. matter
sediments
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