Question Code 621 |
Question Butterflies come in more than 17,000 species, displaying a wing pattern unique to each one. |
Answers
NO CHANGE
displaying a unique wing pattern in each
each uniquely displaying a wing pattern
each of which displays a unique wing pattern
each of which uniquely displays a wing pattern
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Question Code 623 |
Question Travelers to Mars would have to endure low levels of gravity for long periods of time, avoid large doses of radiation, contend with the chemically reactive Martian soil, and perhaps even having to ward off contamination by Martian life-forms. |
Answers
NO CHANGE
contend with the chemically reactive Martian soil, and perhaps even warding
contend with the chemically reactive Martian soil, and perhaps even ward
contending with the chemically reactive Martian soil, and perhaps even to ward
contending with the chemically reactive Martian soil, and perhaps even warding
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